java.lang.Exception: Existing project unique name differ: <WRONG FILE> - expected <WRONG FILE>/L/
   at org.netbeans.modules.cnd.utils.CndUtils.severe(CndUtils.java:200)
   at org.netbeans.modules.cnd.utils.CndUtils.assertTrue(CndUtils.java:185)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.checkUniqueNameConsistency(ProjectBase.java:531)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.setPlatformProjectImpl(ProjectBase.java:523)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.setPlatformProject(ProjectBase.java:511)
   at org.netbeans.modules.cnd.modelimpl.csm.core.LibProjectImpl.<init>(LibProjectImpl.java:187)
   at org.netbeans.modules.cnd.modelimpl.csm.core.CsmObjectFactory.createObject(CsmObjectFactory.java:333)
   at org.netbeans.modules.cnd.repository.support.AbstractObjectFactory.readSelfPersistent(AbstractObjectFactory.java:78)
   at org.netbeans.modules.cnd.modelimpl.csm.core.CsmObjectFactory.read(CsmObjectFactory.java:613)
   at org.netbeans.modules.cnd.repository.RepositoryImpl.get(RepositoryImpl.java:119)
   at org.netbeans.modules.cnd.repository.api.Repository.get(Repository.java:27)
   at org.netbeans.modules.cnd.modelimpl.repository.RepositoryUtils.get(RepositoryUtils.java:118)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.readInstance(ProjectBase.java:398)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.readInstance(ProjectBase.java:384)
   at org.netbeans.modules.cnd.modelimpl.csm.core.LibProjectImpl.createInstance(LibProjectImpl.java:82)
   at org.netbeans.modules.cnd.modelimpl.csm.core.LibraryManager$LibraryEntry.createUID(LibraryManager.java:623)
   at org.netbeans.modules.cnd.modelimpl.csm.core.LibraryManager$LibraryEntry.getLibrary(LibraryManager.java:613)
   at org.netbeans.modules.cnd.modelimpl.csm.core.LibraryManager$LibraryEntry.access$200(LibraryManager.java:588)
   at org.netbeans.modules.cnd.modelimpl.csm.core.LibraryManager$1.run(LibraryManager.java:425)
   at org.netbeans.modules.cnd.modelimpl.csm.core.ModelImpl$3.run(ModelImpl.java:419)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)