How To Fix /SAPAPO/DMRES124 - Resource &1 is used as secondary resource in the PPM

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 124

• Message text: Resource &1 is used as secondary resource in the PPM

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DMRES124 - Resource &1 is used as secondary resource in the PPM ?

  The SAP error message /SAPAPO/DMRES124 indicates that a resource is being used as a secondary resource in a Production Planning and Detailed Scheduling (PP/DS) process, specifically in a Production Process Model (PPM). This error typically arises when there is an attempt to perform an operation that is not compatible with the resource's configuration or usage.
  Cause:
  
  Resource Configuration: The resource in question is defined as a secondary resource in the PPM, which means it is not intended to be the primary resource for production activities.
  Incorrect Assignment: The system may be trying to assign a secondary resource to a task that requires a primary resource.
  Planning Scenario: The planning scenario may not be set up correctly, leading to conflicts in resource assignments.
  
  Solution:
  
  
  Check Resource Assignment:
  
  Review the PPM configuration to ensure that the resource is correctly assigned as a secondary resource.
  If the resource needs to be a primary resource, consider changing its configuration in the resource master data.
  
  
  
  Adjust PPM Settings:
  
  If the resource is intended to be a secondary resource, ensure that the PPM is designed to accommodate this. You may need to adjust the PPM to ensure it aligns with the intended use of the resource.
  
  
  
  Review Planning Parameters:
  
  Check the planning parameters and settings in the PP/DS to ensure they are correctly configured for the resources being used.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidelines on configuring resources in PPMs.
  
  
  
  Testing:
  
  After making changes, test the PPM to ensure that the error does not reoccur and that the resource assignments are functioning as expected.
  
  
  
  Related Information:
  
  Resource Types: Understand the difference between primary and secondary resources in SAP APO.
  Production Process Model (PPM): Familiarize yourself with how PPMs are structured and how resources are assigned within them.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Use transaction codes like /SAPAPO/RRP3 (for planning board) or /SAPAPO/PPM (for PPM maintenance) to review and modify resource assignments.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or support team for further assistance.