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

EHPRC_RCS149 - Overview

• 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

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.

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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