How To Fix /SAPAPO/CDPSFUNCDISP031 - Activity/activities on resource &1 being fixed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CDPSFUNCDISP -

• Message number: 031

• Message text: Activity/activities on resource &1 being fixed

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/CDPSFUNCDISP031 - Activity/activities on resource &1 being fixed ?

  The SAP error message /SAPAPO/CDPSFUNCDISP031 indicates that there are activities on a resource that are fixed, meaning that they cannot be changed or rescheduled. This typically occurs in the context of Advanced Planning and Optimization (APO) within SAP, particularly when dealing with production planning and scheduling.
  Cause:
  
  
  Fixed Activities: The activities on the specified resource are marked as fixed, which means they have been locked in the planning process. This could be due to various reasons, such as:
  
  Manual fixing of activities by a planner.
  Activities that are part of a production order that has been confirmed.
  Activities that are linked to a specific demand or supply that cannot be altered.
  
  
  
  Resource Constraints: The resource may have constraints that prevent changes to the schedule, such as maintenance activities or other operational limitations.
  
  
  Planning Version: The planning version being used may have fixed activities that are not allowed to be changed in the current planning run.
  
  
  Solution:
  
  
  Review Fixed Activities: Check the activities on the resource to understand why they are fixed. You can do this by navigating to the relevant planning book or transaction in SAP APO.
  
  
  Unfix Activities: If appropriate, you can unfix the activities. This can typically be done in the planning book or through the relevant transaction. Ensure that you have the necessary authorizations to make these changes.
  
  
  Adjust Planning Parameters: If the fixed activities are due to planning parameters, consider adjusting these parameters to allow for more flexibility in scheduling.
  
  
  Check Resource Availability: Ensure that the resource is available for rescheduling. If there are maintenance activities or other constraints, address those first.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific instructions on how to handle fixed activities in your version of SAP APO.
  
  
  Engage with SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance. They can provide guidance based on your specific system configuration and version.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO, such as /SAPAPO/SDP94 for planning books or /SAPAPO/RES01 for resource planning.
  User Authorizations: Ensure that you have the necessary authorizations to modify planning data and activities.
  Training and Documentation: Consider training sessions or reviewing documentation related to SAP APO and production planning to better understand how to manage resources and activities effectively.
  
  By following these steps, you should be able to address the error message and manage the fixed activities on the resource effectively.