java.lang.IllegalStateException: Should not acquire Children.MUTEX while holding ProjectManager.mutex()
        at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1809)
        at org.openide.util.Mutex.postRequest(Mutex.java:1245)
        at org.openide.util.Mutex.postRequest(Mutex.java:1209)
        at org.openide.util.Mutex.postWriteRequest(Mutex.java:582)
        at org.openide.nodes.Node.setChildren(Node.java:451)
        at org.netbeans.modules.php.project.ui.logicalview.IncludePathNodeFactory$IncludePathRootNode.propertyChange(IncludePathNodeFactory.java:120)
        at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:186)
        at org.netbeans.spi.project.support.ant.PropertyUtils$SequentialPropertyEvaluator.stateChanged(PropertyUtils.java:876)
        at org.openide.util.WeakListenerImpl$Change.stateChanged(WeakListenerImpl.java:319)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:123)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:109)
        at org.netbeans.spi.project.support.ant.FilterPropertyProvider.setDelegate(FilterPropertyProvider.java:91)
        at org.netbeans.modules.php.project.PhpProject$ConfigPropertyProvider.propertyChange(PhpProject.java:385)
        at org.netbeans.spi.project.support.ant.PropertyUtils$SequentialPropertyEvaluator.stateChanged(PropertyUtils.java:876)
        at org.openide.util.WeakListenerImpl$Change.stateChanged(WeakListenerImpl.java:319)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:123)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:109)
        at org.netbeans.spi.project.support.ant.ProjectProperties$PP$2.run(ProjectProperties.java:332)
        at org.netbeans.spi.project.support.ant.ProjectProperties$PP$2.run(ProjectProperties.java:331)
        at org.openide.util.Mutex.readAccess(Mutex.java:285)
        at org.netbeans.spi.project.support.ant.ProjectProperties$PP.fireChange(ProjectProperties.java:338)
        at org.netbeans.spi.project.support.ant.ProjectProperties$PP.put(ProjectProperties.java:210)
        at org.netbeans.spi.project.support.ant.ProjectProperties.putProperties(ProjectProperties.java:123)
        at org.netbeans.spi.project.support.ant.AntProjectHelper$6.run(AntProjectHelper.java:698)
        at org.netbeans.spi.project.support.ant.AntProjectHelper$6.run(AntProjectHelper.java:697)
        at org.openide.util.Mutex.writeAccess(Mutex.java:394)
        at org.netbeans.spi.project.support.ant.AntProjectHelper.putProperties(AntProjectHelper.java:696)
        at org.netbeans.modules.php.project.ui.customizer.PhpProjectProperties.saveProperties(PhpProjectProperties.java:369)
        at org.netbeans.modules.php.project.ui.customizer.PhpProjectProperties.access$000(PhpProjectProperties.java:75)
        at org.netbeans.modules.php.project.ui.customizer.PhpProjectProperties$1.run(PhpProjectProperties.java:309)
        at org.netbeans.modules.php.project.ui.customizer.PhpProjectProperties$1.run(PhpProjectProperties.java:308)
        at org.openide.util.Mutex.writeAccess(Mutex.java:433)
        at org.netbeans.modules.php.project.ui.customizer.PhpProjectProperties.save(PhpProjectProperties.java:307)
        at org.netbeans.modules.php.project.ui.customizer.CustomizerProviderImpl$StoreListener.actionPerformed(CustomizerProviderImpl.java:112)
        at org.netbeans.modules.project.uiapi.CustomizerDialog$OptionListener$2$1.run(CustomizerDialog.java:244)
        at org.openide.util.Mutex.writeAccess(Mutex.java:394)
        at org.netbeans.modules.project.uiapi.CustomizerDialog$OptionListener$2.run(CustomizerDialog.java:240)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)