How To Fix /BEV4/PLPEND037 - External material number already assigned to internal material number: &1

/BEV4/PLPEND037 - Overview

• Message type: E = Error

• Message class: /BEV4/PLPEND -

• Message number: 037

• Message text: External material number already assigned to internal material number: &1

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 /BEV4/PLPEND037 - External material number already assigned to internal material number: &1 ?

  The SAP error message /BEV4/PLPEND037 indicates that an external material number you are trying to assign is already linked to an internal material number in the system. This typically occurs in scenarios where you are working with material master data, especially in the context of logistics or inventory management.
  
  Cause:
  
  Duplicate Assignment: The external material number you are trying to use is already assigned to another internal material number. This can happen if the same external number is being used for different materials.
  Data Migration Issues: If you are migrating data from another system or performing a mass upload, there may be conflicts with existing data.
  Incorrect Configuration: The system may be configured in a way that does not allow for the reuse of external material numbers.
  
  
  Solution:
  
  
  Check Existing Assignments: Use transaction codes like MM03 (Display Material) or MM02 (Change Material) to check if the external material number is already assigned to an internal material