How To Fix MO430 - A data record with the specified key already exists

MO430 - Overview

• Message type: E = Error

• Message class: MO - Modeling and Prototyping

• Message number: 430

• Message text: A data record with the specified key already exists

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 MO430 - A data record with the specified key already exists ?

  The SAP error message MO430, which states "A data record with the specified key already exists," typically occurs in the context of Material Management (MM) or Production Planning (PP) modules when you are trying to create or update a record (such as a material master, production order, or other transactional data) that already exists in the system with the same key.
  
  Cause:
  
  Duplicate Entry: The most common cause of this error is that you are attempting to create a new record (e.g., a material, production order, etc.) with a key (like a material number or order number) that already exists in the database.
  Incorrect Data Entry: Sometimes, the data being entered may not be validated properly, leading to attempts to create duplicates.
  Data Migration Issues: If data is being migrated from another system or through a batch input session, it may lead to duplicate entries if not handled correctly.
  Concurrency Issues: If multiple users are