How To Fix /PLMI/RCP_MIGRATION812 - Cannot assign class &1 (substance &2, alternative &3, version &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/RCP_MIGRATION -

• Message number: 812

• Message text: Cannot assign class &1 (substance &2, alternative &3, version &4)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMI/RCP_MIGRATION812 - Cannot assign class &1 (substance &2, alternative &3, version &4) ?

  The SAP error message /PLMI/RCP_MIGRATION812 typically occurs during the migration or assignment of classes in the context of substance management or product lifecycle management (PLM). This error indicates that there is an issue with assigning a specific class to a substance or alternative version.
  Cause:
  
  Class Assignment Issues: The class you are trying to assign may not be compatible with the substance or alternative version.
  Missing Data: Required data for the class or substance may be missing or incomplete.
  Authorization Issues: The user may not have the necessary authorizations to perform the assignment.
  Configuration Errors: There may be configuration issues in the system that prevent the assignment from being processed correctly.
  Versioning Problems: The version of the substance or alternative may not match the expected version for the class assignment.
  
  Solution:
  
  Check Class Compatibility: Ensure that the class you are trying to assign is compatible with the substance and its alternatives. Review the class characteristics and ensure they align with the substance data.
  Verify Data Completeness: Check that all required fields and data for the substance, alternative, and class are filled out correctly. This includes checking for any mandatory fields that may be missing.
  Review Authorizations: Ensure that the user performing the action has the necessary authorizations to assign classes to substances. You may need to consult with your SAP security team.
  Configuration Review: If you suspect a configuration issue, review the relevant configuration settings in the SAP system. This may involve checking the settings for class types, characteristics, and substance management.
  Check Versioning: Ensure that the version of the substance and alternative you are working with is correct and matches the expected version for the class assignment.
  Consult Documentation: Refer to SAP documentation or notes related to this error message for any specific guidance or patches that may address the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message number in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL02 (Change Class), CL03 (Display Class), and C223 (Maintain Class Assignment) to help troubleshoot the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP support team or consult with an SAP expert for further assistance.