Exception Description: The object [ch.test.application.beans.heures.Heure@70e] cannot be merged because it has changed or been deleted since it was last read.
Class> ch.test.application.beans.heures.Heure
at org.eclipse.persistence.exceptions.OptimisticLockException.objectChangedSinceLastMerge(OptimisticLockException.java:152)
at org.eclipse.persistence.internal.sessions.MergeManager.mergeChangesOfCloneIntoWorkingCopy(MergeManager.java:578)
at org.eclipse.persistence.internal.sessions.MergeManager.mergeChanges(MergeManager.java:313)
at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.mergeCloneWithReferences(UnitOfWorkImpl.java:3521)
at org.eclipse.persistence.internal.sessions.RepeatableWriteUnitOfWork.mergeCloneWithReferences(RepeatableWriteUnitOfWork.java:384)
at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.mergeCloneWithReferences(UnitOfWorkImpl.java:3481)
at org.eclipse.persistence.internal.jpa.EntityManagerImpl.mergeInternal(EntityManagerImpl.java:542)
... 122 more
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