2611271 - SAP PI Messages with Duplicate Key error

You have messages failing with:

com.sap.engine.interfaces.messaging.api.exception.DuplicateMessageException: Message Id <msgid>(<direction>) already exists in duplicate check table: com.sap.sql.DuplicateKeyException: Violation of PRIMARY KEY constraint '<constraint>'. Cannot insert duplicate key in object '<object>'.

or

Message ID <msgid> already exists in database: com.sap.sql.exception.OpenSQLIntegrityConstraintViolationException: Violation of PRIMARY KEY constraint '<constraint>'. Cannot insert duplicate key in object '<object>'. The duplicate key value is (<>,<>;<>;<>). OpenSQLExceptionCategories: [NON_TRANSIENT, INTEGRITY_CONSTRAINT_VIOLATION]

• SAP NetWeaver
• SAP Process Integration

Process Integration 7.11, PI 7.11, Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.4, PI 7.4, PO 7.4, Process Orchestration 7.5, PI 7.5, PO 7.5, XI, AEX,Constraint, ORA, Violation, INTEGRITY_CONSTRAINT_VIOLATION, DuplicateKeyException , KBA , BC-XI-CON-MSG , Messaging System , Problem