java.lang.IllegalArgumentException: No persistence unit named 'MeCKSPersistenceUnit' is available in scope MeCKSServerEJB3.jar. Available persistence units: []

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java.lang.IllegalArgumentException: No persistence unit named 'MeCKSPersistenceUnit' is available in scope MeCKSServerEJB3.jar. Available persistence units: []
at weblogic.deployment.ModulePersistenceUnitRegistry.getPersistenceUnit(ModulePersistenceUnitRegistry.java:121)
at weblogic.deployment.BasePersistenceContextProxyImpl.(BasePersistenceContextProxyImpl.java:38)
at weblogic.deployment.TransactionalEntityManagerProxyImpl.(TransactionalEntityManagerProxyImpl.java:34)
at weblogic.deployment.BaseEnvironmentBuilder.createPersistenceContextProxy(BaseEnvironmentBuilder.java:970)
at weblogic.deployment.BaseEnvironmentBuilder.addPersistenceContextRefs(BaseEnvironmentBuilder.java:851)

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