How To Fix MU1013 - Source list entries were changed.

SAP Error Message - Details

• Message type: E = Error

• Message class: MU1 - Message class for changing source list for logist. product

• Message number: 013

• Message text: Source list entries were changed.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MU1013 - Source list entries were changed. ?

  The SAP error message MU1013, which states "Source list entries were changed," typically occurs when there are inconsistencies or changes in the source list for a material. This can happen during various processes, such as when trying to create or change a purchase order, or when performing a material requirement planning (MRP) run.
  Cause:
  
  Concurrent Changes: The source list for a material may have been modified by another user or process while you were trying to access it.
  Data Inconsistencies: There may be inconsistencies in the source list data, such as missing entries or incorrect configurations.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or modify the source list.
  System Updates: Changes in the system configuration or updates may lead to temporary inconsistencies in the source list.
  
  Solution:
  
  Refresh the Source List: If you suspect that the source list has been changed, refresh the data by reloading the transaction or screen you are working on.
  Check for Concurrent Users: Verify if another user is making changes to the source list at the same time. If so, coordinate with them to avoid conflicts.
  Review Source List Entries: Go to the source list (transaction code ME01 or ME03) and check for any inconsistencies or missing entries. Ensure that the entries are correct and complete.
  Authorization Check: Ensure that you have the necessary authorizations to access and modify the source list. If not, contact your SAP security administrator.
  Consult Logs: Check the system logs for any additional error messages or warnings that may provide more context about the issue.
  Recreate Source List: If the source list is corrupted or has too many issues, consider deleting and recreating it.
  
  Related Information:
  
  Transaction Codes: 
  
  ME01: Create Source List
  ME03: Display Source List
  ME05: List of Source Lists
  
  
  Documentation: Refer to SAP Help documentation for more details on managing source lists and understanding related error messages.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP support team or consult with SAP directly for further assistance.