org.xwiki.rendering.macro.MacroExecutionException: Failed to evaluate Velocity Macro for content [{{html clean="false" wiki="true"}}
<style>
{{include document="TasksCode.Skin"/}}
</style>
#set($sql = "select max(prop.value)+1 from BaseObject as obj, IntegerProperty as prop where obj.className='TasksCode.IssueClass' and obj.id=prop.id.id and prop.id.name='id'")
#set($id = $xwiki.search($sql).get(0))
#if(!$id)
#set($id = 1)
#end
#if($request.page&&($request.page!=""))
#set($newTaskDoc = $xwiki.getDocument("${request.page}TaskGroup${id}"))
#else
#set($newTaskDoc = $xwiki.getDocument("TaskGroup${id}"))
#end
#if($request.assignees)
#set($notif = $xwiki.parseGroovyFromPage("TasksCode.TasksNotifications"))
#set($ok = $notif.setContext($context,$xwiki))
#set($ok = $newTaskDoc.newObject("TasksCode.IssueClass"))
#set($ok = $newTaskDoc.updateObjectFromRequest("TasksCode.IssueClass"))
#set($ok = $newTaskDoc.use("TasksCode.IssueClass"))
$newTaskDoc.set("id", $id)
$newTaskDoc.set("status", "new")
$newTaskDoc.set("resolution", "none")
$newTaskDoc.set("reporter", $context.localUser)
$newTaskDoc.set("taskgroup", "1")
$newTaskDoc.setContent($xwiki.getDocument("TasksCode.IssueClassTemplate").content)
$newTaskDoc.save()
$notif.sendNotification($newTaskDoc, "create")
<p/>
{{html clean="false"}}$msg.get("its_taskgroup_created", [$newTaskDoc.display("title"),$newTaskDoc.fullName]){{/html}}

#set($assignees = $request.assignees.split(","))
#set($subtaskid = $id)
#foreach($assignee in $assignees)
#if($assignee!="")
#set($subtaskid = 1 + $subtaskid)
#if($request.page&&($request.page!=""))
#set($newSubTaskDoc = $xwiki.getDocument("${request.page}Task${subtaskid}"))
#else
#set($newSubTaskDoc = $xwiki.getDocument("Task${subtaskid}"))
#end
$newSubTaskDoc.use($newSubTaskDoc.newObject("TasksCode.IssueClass"))
#set($subtasktitle = $request.get("assignee_${assignee}"))
$newSubTaskDoc.set("id", $subtaskid)
$newSubTaskDoc.set("status", "new")
$newSubTaskDoc.set("resolution", "none")
$newSubTaskDoc.set("reporter", $context.localUser)
$newSubTaskDoc.set("taskgroup", "0")
$newSubTaskDoc.set("assignee", $assignee)
$newSubTaskDoc.set("title", $subtasktitle)
$newSubTaskDoc.set("description", "")
$newSubTaskDoc.set("dueDate", $newTaskDoc.getValue("dueDate"))
$newSubTaskDoc.set("severity", $newTaskDoc.getValue("severity"))
$newSubTaskDoc.set("page", $newTaskDoc.fullName)
$newSubTaskDoc.setContent($xwiki.getDocument("TasksCode.IssueClassTemplate").content)
$newSubTaskDoc.save()
$notif.sendNotification($newSubTaskDoc, "create")
{{html clean="false"}}$msg.get("its_taskgroup_created_subtask", [$newSubTaskDoc.display("title"),$newSubTaskDoc.fullName,$newSubTaskDoc.getValue("assignee")]){{/html}}
#end
#end
<p/>
{{html clean="false"}}$msg.its{{/html}}_taskgroup_created_endmessage
#else
$newTaskDoc.use($newTaskDoc.getObject("TasksCode.IssueClass", true))
$newTaskDoc.set("status", "new")
$newTaskDoc.set("resolution", "none")
$newTaskDoc.set("severity", "major")
$newTaskDoc.set("reporter", $context.localUser)
$newTaskDoc.set("assignee", $context.localUser)
$newTaskDoc.set("dueDate", "01/01/2008")
$newTaskDoc.set("taskgroup", "1")
#if($request.page)
$newTaskDoc.set("page", $request.page)
#else
$newTaskDoc.set("page", "Tasks.WebHome")
#end
#set($pagedoc = $xwiki.getDocument($doc.getValue("page")))

= {{html clean="false"}}$msg.its{{/html}}_taskgroup_title #if($request.page) {{html clean="false"}}$msg.its{{/html}}_taskgroup_onpage [[$pagedoc.displayTitle>>$pagedoc.fullName]] #end
 =

<form action="" method="get" onsubmit="return updateAssignees(this);">
$newTaskDoc.display("page", "hidden")
<p/>
<div class="box" id="task">

== {{html clean="false"}}$msg.its{{/html}}_taskgroup_newtask $newTaskDoc.display("title", "edit") ==

<table>
<tr><td> {{html clean="false"}}$msg.its{{/html}}_task_reporter : </td><td> $newTaskDoc.display("reporter", "view") </td></tr>
<tr><td>{{html clean="false"}}$msg.its{{/html}}_task_assignee : </td><td> $newTaskDoc.display("assignee", "edit") </td></tr>
<tr><td>{{html clean="false"}}$msg.its{{/html}}_task_dueDate : </td><td> $newTaskDoc.display("dueDate", "edit") </td></tr>
<tr><td>{{html clean="false"}}$msg.its{{/html}}_task_severity : </td><td> $newTaskDoc.display("severity", "edit") </td></tr>
</table>
<p/>
<fieldset>
<legend class="fieldset">{{html clean="false"}}$msg.its{{/html}}_task_description</legend>
<p/>
$newTaskDoc.display("description", "edit")
</fieldset>
<fieldset>
<legend class="fieldset">{{html clean="false"}}$msg.its{{/html}}_taskgroup_subtasks</legend>
{{html clean="false"}}$msg.its{{/html}}_taskgroup_subtaskexplanation <br />
{{{<script type="text/javascript"> var currentUsers = {}; function addUser(user, userprettyname, title) {  if (currentUsers[user]&&currentUsers[user]=="1") {    alert("already added"); } else {   // alert(user); if (!$(user)) {   userel = document.createElement("div"); userel.id = user; userel.innerHTML = getAssigneeHTML(user, userprettyname, title); $("subtasksassignees").appendChild(userel); } else {    $(user).innerHTML = getAssigneeHTML(user, userprettyname, title); }   currentUsers[user] = "1"; } }
function getAssigneeHTML(user, userprettyname, title) {  return "<div class'subtaskline'><div class'subtaskname'>" + userprettyname + "</div><div class'subtaskfield'>" + "<input type="text" size="60" id="assignee_" + user + "" name="assignee_" + user + "" value="" + title + "" /></div><div class'subtaskremove'>" + "<a href="javascript:void()" onclick="removeUser('" + user + "'); return false;">remove</a></div></div>"; }
function removeUser(user) {  if (currentUsers[user]) {    currentUsers[user] = "0"; $(user).innerHTML = ""; } }
function updateAssignees(form) {  var assignees = ""; var title = form['TasksCode.IssueClass_0_title'].value; if (title=="") {    alert('{{html clean="false"}}$msg.its{{/html}}_taskgroup_titlemissing'); return false; }  for(user in currentUsers) {    if (currentUsers[user]=="1") {      if (assignees=="") assignees = user; else assignees = assignees + "," + user;

 var field = form['assignee_' + user]; if (field.value=="") field.value = title; }  } form.assignees.value = assignees; return true; }
function getPrettyName(selectField) {   return selectField.options[selectField.selectedIndex].text; }
</script> <input type="hidden" name="assignees" value="" /> <select style="margin-top: 8px; margin-bottom: 8px;" id="subtasksassignee" onchange="addUser(this.value, getPrettyName(this), this.form['TasksCode.IssueClass_0_title'].value);"> <option value="">{{html clean="false"}}$msg.its{{/html}}_taskgroup_addsubtaskassignee</option> #set($sql = ",BaseObject as obj where doc.fullName=obj.name and obj.className='XWiki.XWikiUsers'")
#foreach($item in $xwiki.searchDocuments($sql))
#set($itemdoc = $xwiki.getDocument($item))
<option value="$item">$itemdoc.first_name $itemdoc.last_name</option> #end
</select>}}}
<div id="subtasksassignees">
</div>
</fieldset>
 <input type="submit" value="{{html clean="false"}}$msg.its{{/html}}_taskgroup_createsubtasks" />
<div class="clearfloats"><br /></div>
</form>
</div>
#end
#set($showcomments = "no")
#set($showattachments = "no")
{{/html}}]
 at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:139)
 at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:52)
 at org.xwiki.rendering.macro.script.AbstractScriptMacro.evaluateBlock(AbstractScriptMacro.java:278)
 at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:181)
 at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:57)
 at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:309)
 at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
 at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:88)
 at org.xwiki.display.internal.DocumentContentAsyncExecutor.executeInCurrentExecutionContext(DocumentContentAsyncExecutor.java:395)
 at org.xwiki.display.internal.DocumentContentAsyncExecutor.execute(DocumentContentAsyncExecutor.java:268)
 at org.xwiki.display.internal.DocumentContentAsyncRenderer.execute(DocumentContentAsyncRenderer.java:107)
 at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:157)
 at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:54)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:273)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250)
 at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.execute(DefaultBlockAsyncRendererExecutor.java:125)
 at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:67)
 at org.xwiki.display.internal.DocumentContentDisplayer.display(DocumentContentDisplayer.java:43)
 at org.xwiki.display.internal.DefaultDocumentDisplayer.display(DefaultDocumentDisplayer.java:96)
 at org.xwiki.display.internal.DefaultDocumentDisplayer.display(DefaultDocumentDisplayer.java:39)
 at org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:123)
 at org.xwiki.sheet.internal.SheetDocumentDisplayer.display(SheetDocumentDisplayer.java:52)
 at org.xwiki.display.internal.ConfiguredDocumentDisplayer.display(ConfiguredDocumentDisplayer.java:68)
 at org.xwiki.display.internal.ConfiguredDocumentDisplayer.display(ConfiguredDocumentDisplayer.java:42)
 at com.xpn.xwiki.doc.XWikiDocument.display(XWikiDocument.java:1350)
 at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:1487)
 at com.xpn.xwiki.doc.XWikiDocument.displayDocument(XWikiDocument.java:1436)
 at com.xpn.xwiki.doc.XWikiDocument.displayDocument(XWikiDocument.java:1405)
 at com.xpn.xwiki.api.Document.displayDocument(Document.java:798)
 at jdk.internal.reflect.GeneratedMethodAccessor740.invoke(Unknown Source)
 at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.base/java.lang.reflect.Method.invoke(Method.java:566)
 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571)
 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)
 at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)
 at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)
 at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:704)
 at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:75)
 at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:242)
 at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
 at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:190)
 at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
 at org.xwiki.velocity.internal.directive.TryCatchDirective.render(TryCatchDirective.java:86)
 at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304)
 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
 at org.apache.velocity.Template.merge(Template.java:358)
 at org.apache.velocity.Template.merge(Template.java:262)
 at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:280)
 at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)
 at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:222)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:177)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:138)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:54)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267)
 at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250)
 at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:773)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:746)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:726)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:712)
 at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:91)
 at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:85)
 at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2536)
 at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:2514)
 at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:997)
 at jdk.internal.reflect.GeneratedMethodAccessor303.invoke(Unknown Source)
 at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.base/java.lang.reflect.Method.invoke(Method.java:566)
 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571)
 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)
 at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)
 at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)
 at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:492)
 at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
 at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:218)
 at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:331)
 at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:261)
 at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304)
 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
 at org.apache.velocity.Template.merge(Template.java:358)
 at org.apache.velocity.Template.merge(Template.java:262)
 at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:280)
 at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)
 at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:222)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:177)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:138)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:54)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267)
 at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250)
 at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:773)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:746)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:726)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:712)
 at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:91)
 at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:85)
 at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2536)
 at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:2514)
 at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:997)
 at jdk.internal.reflect.GeneratedMethodAccessor303.invoke(Unknown Source)
 at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.base/java.lang.reflect.Method.invoke(Method.java:566)
 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571)
 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)
 at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)
 at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)
 at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:492)
 at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
 at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:218)
 at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:331)
 at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:261)
 at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:304)
 at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
 at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:171)
 at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:147)
 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
 at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:190)
 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
 at org.apache.velocity.Template.merge(Template.java:358)
 at org.apache.velocity.Template.merge(Template.java:262)
 at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:280)
 at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)
 at com.xpn.xwiki.internal.template.VelocityTemplateEvaluator.evaluateContent(VelocityTemplateEvaluator.java:95)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.evaluateContent(TemplateAsyncRenderer.java:222)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.renderVelocity(TemplateAsyncRenderer.java:177)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:138)
 at com.xpn.xwiki.internal.template.TemplateAsyncRenderer.render(TemplateAsyncRenderer.java:54)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.lambda$syncRender$0(DefaultAsyncRendererExecutor.java:267)
 at com.xpn.xwiki.internal.security.authorization.DefaultAuthorExecutor.call(DefaultAuthorExecutor.java:98)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.syncRender(DefaultAsyncRendererExecutor.java:267)
 at org.xwiki.rendering.async.internal.DefaultAsyncRendererExecutor.render(DefaultAsyncRendererExecutor.java:250)
 at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor.render(DefaultBlockAsyncRendererExecutor.java:154)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:773)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:746)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.renderFromSkin(InternalTemplateManager.java:726)
 at com.xpn.xwiki.internal.template.InternalTemplateManager.render(InternalTemplateManager.java:712)
 at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:91)
 at com.xpn.xwiki.internal.template.DefaultTemplateManager.render(DefaultTemplateManager.java:85)
 at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:2536)
 at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:179)
 at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:601)
 at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:289)
 at com.xpn.xwiki.web.LegacyActionServlet.service(LegacyActionServlet.java:114)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:122)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 at org.xwiki.wysiwyg.filter.ConversionFilter.doFilter(ConversionFilter.java:61)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:132)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
 at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
 at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:688)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
 at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:375)
 at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
 at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
 at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1639)
 at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
 at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
 at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
 at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: org.xwiki.velocity.XWikiVelocityException: Failed to evaluate content with namespace [etvc:TasksCode.NewTaskGroup]
 at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:289)
 at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:321)
 at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:131)
 ... 190 more
Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'get' in  class java.util.Collections$EmptyList threw exception java.lang.IndexOutOfBoundsException: Index: 0 at etvc:TasksCode.NewTaskGroup[line 6, column 32]
 at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:308)
 at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:235)
 at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)
 at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:704)
 at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:75)
 at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:242)
 at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
 at org.apache.velocity.Template.merge(Template.java:358)
 at org.apache.velocity.Template.merge(Template.java:262)
 at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:280)
 ... 192 more
Caused by: java.lang.IndexOutOfBoundsException: Index: 0
 at java.base/java.util.Collections$EmptyList.get(Collections.java:4483)
 at java.base/jdk.internal.reflect.GeneratedMethodAccessor1031.invoke(Unknown Source)
 at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.base/java.lang.reflect.Method.invoke(Method.java:566)
 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571)
 at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)
 at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)
 ... 200 more