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

/PLMI/AL_GSS_MRCP021 - Overview

• 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.

Unfortunately, there isn't any extra information in this error notice.

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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.,