How To Fix CMD_MLTAS056 - Reason &1 is not valid for additional vendor of partner &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CMD_MLTAS - Messages for multiple assignment function

• Message number: 056

• Message text: Reason &1 is not valid for additional vendor of partner &2

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 CMD_MLTAS056 - Reason &1 is not valid for additional vendor of partner &2 ?

  The SAP error message CMD_MLTAS056 indicates that there is an issue with the additional vendor information for a specific partner in the system. The message typically means that the specified reason (denoted as &1) is not valid for the additional vendor associated with the partner (denoted as &2).
  Cause:
  
  Invalid Reason Code: The reason code you are trying to use for the additional vendor is not defined or is not valid in the context of the partner.
  Configuration Issues: There may be configuration issues in the partner profile or vendor master data that prevent the system from recognizing the reason code.
  Data Inconsistencies: There could be inconsistencies in the data related to the partner or vendor that lead to this error.
  
  Solution:
  
  Check Reason Code: Verify that the reason code you are using is valid and correctly defined in the system. You can do this by checking the configuration settings for reason codes in the relevant module (e.g., Vendor Management).
  Review Partner Profile: Ensure that the partner profile is correctly set up and that the additional vendor is properly linked to the partner.
  Vendor Master Data: Check the vendor master data for any inconsistencies or missing information that could be causing the error.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the error message and its context.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like BP (Business Partner) or MK01 (Create Vendor) to review or modify the relevant data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Custom Development: If your organization has custom developments, ensure that they are not interfering with standard SAP functionality.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution.