How To Fix /SAPAPO/OM_ERROR201 - Resource still being used in another mode

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR -

• Message number: 201

• Message text: Resource still being used in another mode

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR201 - Resource still being used in another mode ?

  The SAP error message /SAPAPO/OM_ERROR201 indicates that a resource is currently being used in another mode, which prevents the system from performing the requested operation. This error typically occurs in the context of Advanced Planning and Optimization (APO) when trying to allocate or change a resource that is already in use.
  Cause:
  
  Resource Locking: The resource you are trying to modify or allocate is locked because it is being used in another transaction or by another user.
  Incorrect Resource Mode: The resource may be set to a mode that is incompatible with the operation you are trying to perform (e.g., trying to allocate a resource that is currently in maintenance mode).
  Active Orders: There may be active production orders or planned orders that are utilizing the resource.
  Scheduling Conflicts: Conflicts in scheduling can also lead to this error if the resource is scheduled for use in a different context.
  
  Solution:
  
  Check Resource Usage: Verify if the resource is currently being used by another process. You can do this by checking the resource's status in the system.
  Release Locks: If the resource is locked, you may need to wait for the other transaction to complete or manually release the lock if you have the necessary permissions.
  Change Resource Mode: If applicable, change the mode of the resource to allow the operation you are trying to perform. Ensure that the resource is not in a conflicting mode.
  Review Active Orders: Check for any active production or planned orders that may be using the resource. You may need to complete or reschedule these orders.
  Consult Logs: Review system logs or transaction logs to identify any specific transactions that are holding the resource.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/RESC (Resource Management) or /SAPAPO/OM (Order Management) to check the status of resources and orders.
  User Permissions: Ensure that you have the necessary permissions to view and modify resource settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to SAP documentation for Advanced Planning and Optimization for more detailed information on resource management and error handling.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or APO support team for further assistance.