DUPLICATE_DETECTED SAP PI 7.31 SP20 (Dual Stack)

Dear Experts

We have the below issue in our Production System, Could you please let me know your inputs/suggestions?

Received XI System Error. ErrorCode: DUPLICATE_DETECTED ErrorText: null ErrorStack: Message ID 8DB412ECA1F211E8B77F0000004AADC6 already exists in called system (pipeline CENTRAL PIP ( 300 ) VS-SAPPIP01_PIP_00 ( 10.101.2.88 ) VS-SAPPIP01.AD.VETTER-GROUP.DE)