How To Fix /SAPAPO/DMRES112 - The resource already has assigned activities, change not possible

/SAPAPO/DMRES112 - Overview

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 112

• Message text: The resource already has assigned activities, change not possible

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/DMRES112 - The resource already has assigned activities, change not possible ?

  The SAP error message /SAPAPO/DMRES112 indicates that a resource in the Advanced Planning and Optimization (APO) module already has assigned activities, and therefore, the requested change cannot be made. This typically occurs when you attempt to modify a resource that is currently engaged in a production or planning activity.
  
  Cause:
  
  Assigned Activities: The resource you are trying to modify has existing activities (e.g., production orders, planned orders, etc.) assigned to it.
  Resource Locking: The resource may be locked due to ongoing processes or transactions that are currently being executed.
  Planning Version: The changes you are trying to make may not be allowed in the current planning version if it is locked or if the version settings do not permit changes.
  
  
  Solution:
  
  Check Assigned Activities: Review the activities assigned to the resource. You can do this by navigating to the resource in the APO system and checking the schedule or activity assignments.
  Release or Complete Activities: If possible,