How To Fix /PLMI/AL_GSS_MRCP021 - Resource selection criteria already exist for operation &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/AL_GSS_MRCP -

• Message number: 021

• Message text: Resource selection criteria already exist for operation &1

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 /PLMI/AL_GSS_MRCP021 - Resource selection criteria already exist for operation &1 ?

  The SAP error message /PLMI/AL_GSS_MRCP021 Resource selection criteria already exist for operation &1 typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or Production Planning (PP) modules. This error indicates that there is an attempt to create or modify resource selection criteria for an operation that already has existing criteria defined.
  Cause:
  
  Duplicate Resource Selection Criteria: The error is triggered when you try to assign resource selection criteria to an operation that already has criteria defined. This can happen during planning or scheduling activities.
  Configuration Issues: There may be issues in the configuration of the resource selection criteria in the system, leading to conflicts.
  Data Integrity Issues: There might be inconsistencies in the data related to the operation or resource selection criteria.
  
  Solution:
  
  Check Existing Criteria: Review the existing resource selection criteria for the operation specified in the error message. You can do this by navigating to the relevant transaction in SAP (e.g., transaction codes like C223 for routing or C201 for production orders).
  Modify or Delete Existing Criteria: If you find that there are existing criteria that are no longer needed, you can modify or delete them to resolve the conflict.
  Use Unique Criteria: When creating new resource selection criteria, ensure that they are unique and do not overlap with existing ones.
  Consult Documentation: Refer to SAP documentation or help files for guidance on managing resource selection criteria effectively.
  Check for Customizations: If your organization has custom developments or enhancements, check if they are causing the issue and consult with your technical team if necessary.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing operations and resource selection in SAP, such as C223, C201, or C202.
  SAP Notes: Search for SAP Notes related to this error message in the SAP Support Portal. There may be specific notes addressing known issues or providing additional guidance.
  User Forums: Consider checking SAP community forums or user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  If the problem persists after following these steps, it may be beneficial to engage with your SAP support team or a consultant who specializes in SAP APO or PP for further assistance.