How To Fix /SAPAPO/DMRES021 - The resource data & has been changed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 021

• Message text: The resource data & has been changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DMRES021 - The resource data & has been changed ?

  The SAP error message /SAPAPO/DMRES021 indicates that the resource data has been changed, which typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there are inconsistencies or conflicts in the resource data being processed. This error can arise during planning runs, data uploads, or when trying to save changes to resource-related data.
  Cause:
  
  Concurrent Changes: The resource data may have been modified by another user or process while you were trying to access or update it.
  Data Locking: The resource might be locked due to another transaction or process that is currently using it.
  Inconsistent Data: There may be inconsistencies in the data model or configuration settings related to the resource.
  Background Jobs: A background job might be updating the resource data at the same time you are trying to access it.
  
  Solution:
  
  Refresh Data: If you suspect that the data has changed, refresh your view or re-fetch the data to ensure you are working with the latest version.
  Check Locks: Use transaction codes like SM12 to check for any locks on the resource data. If you find locks that are no longer needed, you can release them.
  Coordinate Changes: If multiple users are working on the same resource, coordinate changes to avoid conflicts. Ensure that only one user is making changes at a time.
  Review Background Jobs: Check if there are any background jobs running that might be updating the resource data. You can use transaction SM37 to monitor background jobs.
  Error Logs: Review the application logs for any additional error messages or warnings that might provide more context about the issue.
  Data Consistency Check: Run consistency checks on the resource data to ensure there are no underlying issues. This can often be done through specific transaction codes or reports in APO.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to check locks), SM37 (to monitor background jobs), and SCC4 (to check client settings).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review the SAP APO documentation for best practices on resource management and data handling to prevent such issues in the future.
  
  If the problem persists after trying the above solutions, it may be necessary to consult with your SAP Basis or technical team for further investigation.