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

SAP Error Message - Details

• 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

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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, release or complete the activities that are currently assigned to the resource. This may involve finishing production orders or rescheduling them.
  Change Planning Version: If the planning version is locked, you may need to unlock it or switch to a different version where changes are allowed.
  Use Transaction Codes: Utilize relevant transaction codes (like /SAPAPO/RES01 for resource overview) to get more details about the resource and its assignments.
  Consult with Team: If you are unsure about the implications of changing the resource, consult with your production planning or operations team to ensure that the changes will not disrupt ongoing processes.
  
  Related Information:
  
  Resource Management: Understanding how resources are managed in SAP APO is crucial. Resources can be machines, labor, or any other entity that is involved in the production process.
  Planning Books: Familiarize yourself with planning books and how they interact with resources. Changes in planning books can affect resource assignments.
  SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional insights or updates regarding this error message.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to resources in the system.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate actions to resolve it.