How To Fix /SAPAPO/RET_MESSAGES031 - & is version for Reservation Planning. Changes are not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RET_MESSAGES -

• Message number: 031

• Message text: & is version for Reservation Planning. Changes are not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RET_MESSAGES031 - & is version for Reservation Planning. Changes are not allowed ?

  The SAP error message /SAPAPO/RET_MESSAGES031 typically indicates that changes are not allowed in the context of Reservation Planning in SAP Advanced Planning and Optimization (APO). This error can occur for various reasons, and understanding the cause is essential for finding a solution.
  Cause:
  
  Locked Objects: The object you are trying to change may be locked by another user or process.
  Status of the Reservation: The reservation may be in a status that does not allow changes (e.g., it may be confirmed or completed).
  Authorization Issues: The user may not have the necessary authorizations to make changes to the reservation.
  Configuration Settings: Certain configuration settings in the system may restrict changes to reservations after a certain point in the planning process.
  Time Period Restrictions: Changes may not be allowed for reservations that fall within a specific time frame or planning horizon.
  
  Solution:
  
  Check Locks: Use transaction code SM12 to check for any locks on the object you are trying to change. If you find a lock, you may need to wait for the other user to release it or contact them.
  Review Reservation Status: Check the status of the reservation. If it is confirmed or completed, you may need to reverse or delete it before making changes.
  Authorization Check: Ensure that the user has the necessary authorizations to modify reservations. You can check this using transaction code SU53 after attempting the change.
  Configuration Review: Consult with your SAP Basis or APO configuration team to review any settings that may restrict changes to reservations.
  Time Frame: Verify if the reservation falls within a restricted time frame for changes. If so, you may need to adjust your planning horizon or wait until the time frame allows changes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD04 (Stock/Requirements List), MD11 (Create Purchase Order), and MD12 (Change Purchase Order) for managing reservations.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for notes in the SAP Support Portal.
  Documentation: Review the SAP APO documentation for Reservation Planning to understand the processes and restrictions involved.
  
  If the issue persists after checking these aspects, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.