How To Fix /SAPAPO/DMRES139 - Dimension cannot be changed if resource is being used

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 139

• Message text: Dimension cannot be changed if resource is being used

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DMRES139 - Dimension cannot be changed if resource is being used ?

  The SAP error message /SAPAPO/DMRES139 indicates that a dimension of a resource in the Advanced Planning and Optimization (APO) module cannot be changed because the resource is currently in use. This typically occurs when there are active planning processes or transactions that reference the resource, preventing modifications to its configuration.
  Cause:
  
  Active Planning Processes: The resource is being utilized in a planning run, such as a heuristic or optimization run.
  Locked Resource: The resource may be locked due to ongoing transactions or processes that are using it.
  Dependencies: Other objects or processes may depend on the resource, making it necessary to maintain its current configuration.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Active Processes:
  
  Verify if there are any active planning runs or processes that are using the resource. You can check the background jobs or planning runs in the APO system.
  If there are active jobs, you may need to wait for them to complete or terminate them if appropriate.
  
  
  
  Release Locks:
  
  If the resource is locked, you can use transaction codes like SM12 to check for and release any locks associated with the resource.
  Ensure that no other users or processes are currently using the resource.
  
  
  
  Review Dependencies:
  
  Check if there are any dependencies or links to other objects (like production orders, planned orders, etc.) that might be preventing the change.
  If necessary, you may need to adjust or delete these dependencies before changing the resource dimension.
  
  
  
  Change Resource Configuration:
  
  Once the resource is no longer in use, you can proceed to change the dimension as needed.
  Make sure to save your changes and verify that the resource is functioning as expected after the modification.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidelines related to resource management in APO.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/RES01 (Resource Maintenance) and /SAPAPO/DMRES (Resource Dimension Maintenance).
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  User Permissions: Ensure that you have the necessary permissions to make changes to resources in the APO system.
  
  By following these steps, you should be able to resolve the error and successfully change the resource dimension in SAP APO.