java.lang.NullPointerException

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  • java.lang.NullPointerException at org.eclipse.emf.edapt.history.reconstruction.EcoreForwardReconstructor$EcoreReconstructorSwitch.caseCreate(EcoreForwardReconstructor.java:124) at org.eclipse.emf.edapt.spi.history.util.HistorySwitch.doSwitch(HistorySwitch.java:218) at org.eclipse.emf.edapt.spi.history.util.HistorySwitch.doSwitch(HistorySwitch.java:104) at org.eclipse.emf.edapt.spi.history.util.HistorySwitch.doSwitch(HistorySwitch.java:90) at org.eclipse.emf.edapt.history.reconstruction.EcoreForwardReconstructor.startChange(EcoreForwardReconstructor.java:71) at org.eclipse.emf.edapt.history.reconstruction.ForwardReconstructorBase.doReconstruct(ForwardReconstructorBase.java:97) at org.eclipse.emf.edapt.history.reconstruction.ForwardReconstructorBase.doReconstruct(ForwardReconstructorBase.java:102) at org.eclipse.emf.edapt.history.reconstruction.ForwardReconstructorBase.doReconstruct(ForwardReconstructorBase.java:78) at org.eclipse.emf.edapt.history.reconstruction.ForwardReconstructorBase.doReconstruct(ForwardReconstructorBase.java:57) at org.eclipse.emf.edapt.history.reconstruction.CompositeReconstructorBase.reconstruct(CompositeReconstructorBase.java:74) at org.eclipse.emf.edapt.migration.execution.Migrator.migrate(Migrator.java:244) at org.eclipse.emf.edapt.migration.execution.Migrator.migrateAndLoad(Migrator.java:196) at MinimalExample.main(MinimalExample.java:89)
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