How To Fix GTR_CRM_PROXY002 - Notification Error: Different PSM-Key for same Billing Request Id

GTR_CRM_PROXY002 - Overview

• Message type: E = Error

• Message class: GTR_CRM_PROXY - Messages set in Grantor CRM/ERP proxy

• Message number: 002

• Message text: Notification Error: Different PSM-Key for same Billing Request Id

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GTR_CRM_PROXY002 - Notification Error: Different PSM-Key for same Billing Request Id ?

  The SAP error message GTR_CRM_PROXY002 with the notification "Different PSM-Key for same Billing Request Id" typically occurs in the context of SAP's integration with CRM and billing processes. This error indicates that there is a mismatch in the PSM (Payment Service Management) keys associated with a billing request ID. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  
  Data Inconsistency: The error usually arises when there are multiple entries in the system for the same billing request ID, but with different PSM keys. This can happen due to:
  
  Duplicate entries being created in the system.
  Incorrect data being sent from the CRM to the billing system.
  Issues during data synchronization between different systems (e.g., CRM and ERP).
  
  
  
  Integration Issues: If there are problems in the middleware or integration layer (like SAP PI/PO), it may lead to inconsistent data being processed.
  
  
  Configuration Errors: Incorrect configuration in the billing or CRM settings can also lead to