The apex class E2CP.ProcessMessage failed due to: System.DmlException: Insert failed. First exception on row 0; first error: CANNOT_INSERT_UPDATE_ACTIVATE_ENTITY, CaseTrigger

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The apex class E2CP.ProcessMessage failed due to: System.DmlException: Insert failed. First exception on row 0; first error: CANNOT_INSERT_UPDATE_ACTIVATE_ENTITY, CaseTrigger
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The-apex-class-E2CP-ProcessMessage-failed-due-to-System-DmlException-Insert-failed-First-exception-on-row-0-first-error-CANNOT-INSERT-UPDATE-ACTIVATE-ENTITY-CaseTrigger