How To Fix CRD_REQBUILD420 - Error while checking requirement combination &1(ID &2)

CRD_REQBUILD420 - Overview

• Message type: E = Error

• Message class: CRD_REQBUILD - Credentialing: Generate Requirements

• Message number: 420

• Message text: Error while checking requirement combination &1(ID &2)

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 CRD_REQBUILD420 - Error while checking requirement combination &1(ID &2) ?

  The SAP error message CRD_REQBUILD420 typically occurs in the context of the SAP Advanced Planning and Optimization (APO) module, particularly when dealing with demand planning or supply network planning. This error indicates that there is an issue with checking the requirement combination for a specific ID.
  
  Cause:
  The error can be caused by several factors, including:
  
  
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data that are being used for planning. This could include missing or incorrect entries in the material master, location master, or other related data.
  
  
  
  Configuration Issues: The planning configuration may not be set up correctly, leading to issues when the system tries to evaluate requirement combinations.
  
  
  Missing Requirements: The system may be trying to evaluate a requirement combination that does not exist or is not properly defined.
  
  
  Versioning Issues: If you are working with different versions of planning data, there may be conflicts or issues with how the