org.xwiki.rendering.macro.MacroExecutionException: Failed to evaluate Velocity Macro for content [#set($allGroupDoc = $xwiki.getDocument("XWiki.XWikiAllGroup"))
##
## search all users with different first name and last names
##
#set($differentUsers = $xwiki.searchDocuments(", BaseObject obj, StringProperty firstName, StringProperty lastName where obj.name = doc.fullName and obj.className = 'XWiki.XWikiUsers' and firstName.id.id=obj.id and firstName.id.name='first_name' and obj.id=lastName.id.id and lastName.id.name='last_name' and firstName.value<>lastName.value"))
Total number: $differentUsers.size()
#foreach($userDocName in $differentUsers)
  #if(!$allGroupDoc.getObject("XWiki.XWikiGroups","member",$userDocName))
    #set($member = $allGroupDoc.newObject("XWiki.XWikiGroups"))
    $member.set("member", $userDocName)
    * Restoring user [$userDocName] in XWikiAllGroup
  #else
   $userDocName already a member
  #end
#end
#if($request.confirm && $request.confirm == "1")
  $allGroupDoc.save()
#else
 {{html clean=false}}
  <a href="$doc.getURL('view','confirm=1')">Confirm this changes</a>
 {{/html}}
#end]
	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:125)
	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:44)
	at org.xwiki.rendering.macro.script.AbstractScriptMacro.evaluateBlock(AbstractScriptMacro.java:298)
	at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:190)
	at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:57)
	at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transformOnce(MacroTransformation.java:184)
	at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:129)
	at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:72)
	at com.xpn.xwiki.doc.XWikiDocument.performSyntaxConversion(XWikiDocument.java:7483)
	at com.xpn.xwiki.doc.XWikiDocument.performSyntaxConversion(XWikiDocument.java:7432)
	at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:835)
	at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:783)
	at com.xpn.xwiki.doc.XWikiDocument.getRenderedContent(XWikiDocument.java:878)
	at com.xpn.xwiki.api.Document.getRenderedContent(Document.java:546)
	at sun.reflect.GeneratedMethodAccessor262.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:389)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:378)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:270)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:252)
	at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:493)
	at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71)
	at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:196)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:161)
	at com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:116)
	at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1912)
	at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:1856)
	at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1833)
	at com.xpn.xwiki.api.XWiki.parseTemplate(XWiki.java:860)
	at sun.reflect.GeneratedMethodAccessor118.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:389)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:378)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:270)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:252)
	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:332)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:212)
	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:247)
	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:175)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:196)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:161)
	at com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:116)
	at com.xpn.xwiki.XWiki.parseTemplate(XWiki.java:1912)
	at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:1856)
	at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:154)
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:226)
	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:117)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:129)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.xpn.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:152)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:68)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:218)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:112)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
	at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
	at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
	at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:774)
	at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703)
	at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:896)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
	at java.lang.Thread.run(Thread.java:595)
Caused by: org.xwiki.velocity.XWikiVelocityException: Failed to evaluate content with id [xwiki:Admin.RestoreXWikiAllGroup]
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:205)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:161)
	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:118)
	... 96 more
Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'save' in  class com.xpn.xwiki.api.Document threw exception com.xpn.xwiki.XWikiException: Error number 9001 in 9: Access denied in edit mode on document xwiki:XWiki.XWikiAllGroup at xwiki:Admin.RestoreXWikiAllGroup[line 17, column 14]
	at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:337)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:284)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:252)
	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:332)
	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
	at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:196)
	... 98 more
Caused by: com.xpn.xwiki.XWikiException: Error number 9001 in 9: Access denied in edit mode on document xwiki:XWiki.XWikiAllGroup
	at com.xpn.xwiki.api.Document.save(Document.java:1890)
	at com.xpn.xwiki.api.Document.save(Document.java:1876)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:389)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:378)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:270)
	... 104 more