An error occurred during parsing of 'C:\Work Files\NetBeansProjects\AOI\ArtOfIllusion\src\artofillusion\view\ViewerScaleControl.java'. Please report a bug against java/source and attach dump file 'C:\Users\Maks\AppData\Roaming\NetBeans\dev\var\log\ViewerScaleControl.dump'.
Caused: java.lang.NoClassDefFoundError: org/netbeans/lib/nbjavac/services/NBClassReader
   at org.netbeans.modules.java.source.parsing.JavacParser.createJavacTask(JavacParser.java:824)
   at org.netbeans.modules.java.source.parsing.JavacParser.createJavacTask(JavacParser.java:709)
   at org.netbeans.modules.java.source.parsing.CompilationInfoImpl.getJavacTask(CompilationInfoImpl.java:396)
   at org.netbeans.modules.java.source.parsing.JavacParser.moveToPhase(JavacParser.java:593)
   at org.netbeans.modules.java.source.parsing.CompilationInfoImpl.toPhase(CompilationInfoImpl.java:383)
   at org.netbeans.api.java.source.CompilationController.toPhase(CompilationController.java:109)
   at org.netbeans.modules.java.JavaNode$IconTask$SourceIcon$1.run(JavaNode.java:468)
   at org.netbeans.modules.java.JavaNode$IconTask$SourceIcon$1.run(JavaNode.java:465)
   at org.netbeans.api.java.source.JavaSource$MultiTask.run(JavaSource.java:486)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:609)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:153)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:137)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:204)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:201)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.nb.DataObjectEnvFactory.runPriorityIO(DataObjectEnvFactory.java:141)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:88)
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:201)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:104)
   at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:436)
   at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:407)
   at org.netbeans.modules.java.JavaNode$IconTask$SourceIcon.computeIcon(JavaNode.java:465)
   at org.netbeans.modules.java.JavaNode$IconTask.run(JavaNode.java:427)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)
Caused: org.openide.util.RequestProcessor$FastItem: task failed due to: java.lang.NoClassDefFoundError: org/netbeans/lib/nbjavac/services/NBClassReader