How To Fix WEC_PAYMENT004 - Customer ID is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: WEC_PAYMENT -

• Message number: 004

• Message text: Customer ID is invalid

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 WEC_PAYMENT004 - Customer ID is invalid ?

  SAP Error Message:
  WEC_PAYMENT004 Customer ID is invalid
  
  
  Cause:
  This error typically occurs in SAP when processing payments or related financial transactions involving a customer, and the system cannot validate the provided Customer ID. The reasons can include:
  
  The Customer ID entered does not exist in the system.
  The Customer ID is incorrectly formatted or contains invalid characters.
  The Customer master data is incomplete or not properly maintained.
  The Customer ID is not assigned to the relevant company code or sales area.
  Integration issues where the Customer ID from an external system or interface does not match SAP master data.
  
  
  
  Solution:
  To resolve the WEC_PAYMENT004 Customer ID is invalid error, follow these steps:
  
  
  Verify Customer Master Data:
  
  Check if the Customer ID exists in SAP using transaction codes like XD03 (Display Customer) or FD03 (Display Customer Accounting).
  Ensure the Customer master record is active and valid for the relevant company code and sales area.
  
  
  
  Check Customer ID Format:
  
  Confirm that the Customer ID entered matches