java.util.ConcurrentModificationException
   at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:0)
   at java.util.AbstractList$Itr.next(AbstractList.java:0)
   at com.microchip.mplab.nbide.embedded.makeproject.api.configurations.MakeConfigurationBook.findItem(MakeConfigurationBook.java:571)
   at com.microchip.mplab.nbide.embedded.makeproject.api.configurations.MakeConfigurationBook.findProjectItemByPath(MakeConfigurationBook.java:590)
   at com.microchip.mplab.nbide.embedded.makeproject.MakeProjectFileOwnerQuery.getOwner(MakeProjectFileOwnerQuery.java:100)
   at com.microchip.mplab.nbide.embedded.makeproject.MakeProjectFileOwnerQuery.getOwner(MakeProjectFileOwnerQuery.java:91)
   at org.netbeans.api.project.FileOwnerQuery.getOwner(FileOwnerQuery.java:104)
   at org.netbeans.modules.project.ui.actions.ActionsUtil.getProjectsFromLookup(ActionsUtil.java:100)
   at org.netbeans.modules.project.ui.actions.MainProjectAction$1.run(MainProjectAction.java:200)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1957)