How To Fix M!126 - &1: Instead of using MCBEST-&2 use MCBEST-&3

SAP Error Message - Details

• Message type: E = Error

• Message class: M! -

• Message number: 126

• Message text: &1: Instead of using MCBEST-&2 use MCBEST-&3

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 M!126 - &1: Instead of using MCBEST-&2 use MCBEST-&3 ?

  The SAP error message M!126 indicates a problem related to the use of a material master record in the context of a specific material type or configuration. The message suggests that instead of using a certain configuration (MCBEST-&2), you should use an alternative configuration (MCBEST-&3). 
  Cause:
  This error typically arises when there is an inconsistency or misconfiguration in the material master data. It can occur due to:
  
  Incorrect Material Type: The material type being used may not be compatible with the operation you are trying to perform.
  Configuration Issues: There may be settings in the material master that are not aligned with the expected configurations for the specific transaction or process.
  Data Migration Issues: If data has been migrated from another system, there may be discrepancies in the material types or configurations.
  
  Solution:
  To resolve the M!126 error, you can take the following steps:
  
  
  Check Material Type: Verify that the material type you are using is correct for the transaction. You may need to consult with your SAP configuration team to ensure that the material type is appropriate for the intended use.
  
  
  Review Material Master Data: Go to the material master record and check the settings. Ensure that all required fields are filled out correctly and that the material is set up according to the business requirements.
  
  
  Use the Recommended Configuration: Follow the suggestion in the error message and use the alternative configuration (MCBEST-&3) instead of the one currently being used (MCBEST-&2). This may involve changing the material type or adjusting the settings in the material master.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more information on the specific material types and configurations. This can provide insights into what changes may be necessary.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They can provide more detailed guidance based on your specific system configuration.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM01 (Create Material), MM02 (Change Material), or MM03 (Display Material) to access and modify the material master data.
  Material Types: Familiarize yourself with the different material types in your SAP system and their respective configurations.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional context.
  
  By following these steps, you should be able to identify the cause of the error and implement the necessary changes to resolve it.