How To Fix EHPRC_RCS149 - Multiple assignments exist; assign material &1 to only one real substance

SAP Error Message - Details

• Message type: E = Error

• Message class: EHPRC_RCS - REACH Compliance Messages

• Message number: 149

• Message text: Multiple assignments exist; assign material &1 to only one real substance

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EHPRC_RCS149 - Multiple assignments exist; assign material &1 to only one real substance ?

  The SAP error message EHPRC_RCS149 indicates that there are multiple assignments of a material to real substances in the system, which is not allowed. This error typically arises in the context of SAP's Environment, Health, and Safety (EHS) module, particularly when dealing with substance management and regulatory compliance.
  Cause:
  
  Multiple Assignments: The material in question is assigned to more than one real substance in the system. This can happen if the material is incorrectly configured or if there are overlapping entries in the database.
  Data Integrity Issues: There may be inconsistencies in the data where the same material is linked to multiple substances, which violates the system's requirement for unique assignments.
  
  Solution:
  
  Review Assignments: Check the assignments of the material to real substances. You can do this by navigating to the relevant transaction in SAP (e.g., using transaction codes like C223 for material assignments).
  Correct Assignments: Identify the correct real substance that the material should be assigned to and remove any incorrect or duplicate assignments. Ensure that each material is linked to only one real substance.
  Data Cleanup: If there are multiple entries due to data migration or manual entry errors, perform a data cleanup to ensure that each material has a unique assignment.
  Consult Documentation: Refer to SAP documentation or guidelines related to substance management to ensure compliance with the system's requirements.
  Testing: After making changes, test the material assignment again to ensure that the error is resolved.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing materials and substances, such as C223 (Assign Material to Real Substance) and C220 (Maintain Real Substances).
  EHS Configuration: Ensure that your EHS module is properly configured to handle material and substance assignments.
  User Roles and Permissions: Make sure that users have the necessary permissions to make changes to material and substance assignments.
  SAP Notes: Check for any SAP Notes related to this error message for additional guidance or patches that may address known issues.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a consultant specializing in SAP EHS for further assistance.