How To Fix /SAPAPO/RSP826 - Changes for slot &1 rolled back

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RSP -

• Message number: 826

• Message text: Changes for slot &1 rolled back

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RSP826 - Changes for slot &1 rolled back ?

  The SAP error message /SAPAPO/RSP826 Changes for slot &1 rolled back typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the data consistency or integrity during the planning process. This error indicates that changes made to a specific slot (a time period in the planning process) could not be successfully committed and were therefore rolled back.
  Causes:
  
  Data Inconsistency: There may be inconsistencies in the data that prevent the system from applying the changes. This could be due to missing or incorrect master data, such as product or location data.
  Locking Issues: Another user or process may have locked the data that you are trying to change, leading to a rollback of your changes.
  Business Logic Violations: The changes may violate certain business rules or constraints defined in the system, causing the system to reject the changes.
  Technical Errors: There could be underlying technical issues, such as database errors or system configuration problems.
  
  Solutions:
  
  Check Data Consistency: Verify that all relevant master data (e.g., product, location, and resource data) is complete and consistent. Use transaction codes like /SAPAPO/MDP to check for inconsistencies.
  Review Lock Entries: Use transaction code SM12 to check for any lock entries that may be preventing changes. If you find locks that are no longer needed, you can delete them (with caution).
  Analyze Business Rules: Review the business rules and constraints that may be affecting the changes. Ensure that the changes you are trying to make comply with these rules.
  Check Logs: Look at the application logs (transaction SLG1) for more detailed error messages that can provide insights into why the rollback occurred.
  Re-run the Planning Process: If the issue is transient, re-running the planning process may resolve the issue.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/MDP, SM12, and SLG1 for troubleshooting.
  SAP Documentation: Refer to the official SAP documentation for APO for more detailed information on planning processes and error handling.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis or technical team for further investigation.