How To Fix M2030 - Reference fields must be different for each pair

M2030 - Overview

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 030

• Message text: Reference fields must be different for each pair

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 M2030 - Reference fields must be different for each pair ?

  The SAP error message M2030, "Reference fields must be different for each pair," typically occurs in the context of material master data or when dealing with material movements and inventory management. This error indicates that there is a conflict in the reference fields that are being used in a particular transaction or configuration.
  
  Cause:
  The error arises when the system detects that two or more reference fields (such as material number, plant, storage location, etc.) are not unique or are being used incorrectly in a way that violates the expected data structure. This can happen in various scenarios, such as:
  
  Duplicate Entries: You may have duplicate entries in the material master or in the configuration settings that are being referenced.
  Incorrect Configuration: The configuration of the material types or movement types may not be set up correctly, leading to conflicts in reference fields.
  Data Inconsistency: There may be inconsistencies in the data being processed, such