java.lang.NoSuchMethodError: org.netbeans.modules.web.common.api.CssPreprocessors.createProjectProblemsProvider(Lorg/netbeans/api/project/Project;)Lorg/netbeans/spi/project/ui/ProjectProblemsProvider;
   at org.netbeans.modules.web.project.WebProject.createLookup(WebProject.java:668)
   at org.netbeans.modules.web.project.WebProject.<init>(WebProject.java:451)
   at org.netbeans.modules.web.project.WebProjectType.createProject(WebProjectType.java:86)
Caused: java.lang.reflect.InvocationTargetException
   at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:0)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:498)
Caused: java.lang.IllegalArgumentException: java.lang.reflect.InvocationTargetException
   at org.netbeans.modules.project.ant.AntBasedGenericType.createProject(AntBasedGenericType.java:140)
   at org.netbeans.modules.project.ant.AntBasedProjectFactorySingleton.loadProject(AntBasedProjectFactorySingleton.java:264)
   at org.netbeans.modules.projectapi.nb.NbProjectManager.createProject(NbProjectManager.java:401)
   at org.netbeans.modules.projectapi.nb.NbProjectManager.access$300(NbProjectManager.java:94)
   at org.netbeans.modules.projectapi.nb.NbProjectManager$2.run(NbProjectManager.java:314)
   at org.netbeans.modules.projectapi.nb.NbProjectManager$2.run(NbProjectManager.java:243)
   at org.netbeans.modules.openide.util.DefaultMutexImplementation.readAccess(DefaultMutexImplementation.java:252)
   at org.openide.util.Mutex.readAccess(Mutex.java:250)
   at org.netbeans.modules.projectapi.nb.NbProjectManager.findProject(NbProjectManager.java:243)
   at org.netbeans.api.project.ProjectManager.findProject(ProjectManager.java:167)
   at org.netbeans.modules.projectapi.SimpleFileOwnerQueryImplementation.getOwner(SimpleFileOwnerQueryImplementation.java:161)
   at org.netbeans.api.project.FileOwnerQuery.getOwner(FileOwnerQuery.java:116)
   at org.netbeans.modules.java.project.ProjectClassPathProvider.findClassPath(ProjectClassPathProvider.java:68)
   at org.netbeans.api.java.classpath.ClassPath.getClassPath(ClassPath.java:676)
   at org.netbeans.modules.parsing.impl.indexing.errors.Utilities.getSourceClassPathFor(Utilities.java:86)
   at org.netbeans.modules.parsing.ui.indexing.errors.ErrorAnnotator$1.run(ErrorAnnotator.java:313)
   at org.openide.util.RequestProcessor$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)