How To Fix MMPUR_USERDEF028 - Shop on Behalf Type &1 is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: MMPUR_USERDEF - Message class for user defaults

• Message number: 028

• Message text: Shop on Behalf Type &1 is invalid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MMPUR_USERDEF028 - Shop on Behalf Type &1 is invalid ?

  The SAP error message MMPUR_USERDEF028 indicates that there is an issue with the "Shop on Behalf" type specified in the system. This error typically arises in the context of procurement processes, particularly when a user is trying to create or process a purchase requisition or order on behalf of another user.
  Cause:
  The error message is triggered when the specified "Shop on Behalf" type (denoted by &1 in the error message) is not recognized or is invalid in the system. This can happen due to several reasons:
  
  Incorrect Configuration: The "Shop on Behalf" type may not be properly configured in the system.
  Missing Authorization: The user may not have the necessary authorizations to use the specified "Shop on Behalf" type.
  Typographical Error: There may be a typo or incorrect entry in the field where the "Shop on Behalf" type is specified.
  Custom Development: If there are custom developments or enhancements in the system, they may not be handling the "Shop on Behalf" types correctly.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Configuration:
  
  Go to the configuration settings for "Shop on Behalf" types in the SAP system. This is usually found in the SPRO transaction under the relevant purchasing or procurement settings.
  Ensure that the "Shop on Behalf" type you are trying to use is defined and active.
  
  
  
  Verify User Authorizations:
  
  Check the user roles and authorizations to ensure that the user has the necessary permissions to use the specified "Shop on Behalf" type.
  You can use transaction codes like SU01 (User Maintenance) and PFCG (Role Maintenance) to review and adjust authorizations.
  
  
  
  Correct Input:
  
  Double-check the input for the "Shop on Behalf" type to ensure there are no typographical errors.
  Make sure that the correct code or identifier is being used.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or user manuals that pertain to the "Shop on Behalf" functionality in your specific SAP version.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error message. SAP frequently releases notes that address specific issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME51N (Create Purchase Requisition), ME21N (Create Purchase Order), and ME53N (Display Purchase Requisition) to understand where the error occurs.
  User Training: Ensure that users are trained on the correct usage of the "Shop on Behalf" functionality to minimize errors.
  
  By following these steps, you should be able to identify and resolve the issue related to the MMPUR_USERDEF028 error message in SAP.