How To Fix MM_PUR_SES143 - Changing Service Entry Sheet Number is not allowed.

SAP Error Message - Details

• Message type: E = Error

• Message class: MM_PUR_SES -

• Message number: 143

• Message text: Changing Service Entry Sheet Number is not allowed.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MM_PUR_SES143 - Changing Service Entry Sheet Number is not allowed. ?

  The SAP error message "MM_PUR_SES143 Changing Service Entry Sheet Number is not allowed" typically occurs when you attempt to change the number of a service entry sheet (SES) that has already been created in the system. This error is part of the Materials Management (MM) module, specifically related to procurement and service management.
  Cause:
  
  Immutable SES Number: Once a service entry sheet is created, its number is fixed and cannot be changed. This is a design feature in SAP to maintain data integrity and ensure that all references to the SES remain consistent.
  Document Status: The SES may be in a status that does not allow changes, such as being approved or completed.
  Authorization Issues: The user may not have the necessary permissions to make changes to the SES.
  
  Solution:
  
  Create a New SES: If you need to change the details of a service entry sheet, the recommended approach is to create a new SES instead of trying to change the existing one.
  Check Document Status: Verify the status of the SES. If it is in a status that does not allow changes, you may need to reverse or cancel the SES before making any modifications.
  Review User Permissions: Ensure that you have the appropriate authorizations to make changes to service entry sheets. If not, contact your SAP administrator to obtain the necessary permissions.
  Consult Documentation: Refer to SAP documentation or your organization's internal guidelines for handling service entry sheets to ensure compliance with best practices.
  
  Related Information:
  
  Service Entry Sheet (SES): A document used in SAP to confirm the receipt of services rendered by a vendor. It is essential for processing invoices and payments.
  Transaction Codes: Common transaction codes related to service entry sheets include:
  
  ML81N: Create Service Entry Sheet
  ML82: Change Service Entry Sheet
  ML83: Display Service Entry Sheet
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or provide additional guidance related to SES processing.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP's support portal for further assistance.