How To Fix M2421 - No source field maintained for unit & and event & in TMC24

M2421 - Overview

• Message type: E = Error

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

• Message number: 421

• Message text: No source field maintained for unit & and event & in TMC24

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 M2421 - No source field maintained for unit & and event & in TMC24 ?

  The SAP error message M2421 indicates that there is no source field maintained for a specific unit and event in the TMC24 table. This error typically arises in the context of materials management and inventory management processes, particularly when dealing with the transfer of data between different units of measure or events.
  
  Cause:
  The error occurs when the system is trying to process a transaction that requires a mapping between a source field (like a unit of measure) and a specific event, but this mapping is not defined in the TMC24 table. This can happen due to:
  
  Missing Configuration: The necessary configuration for the unit of measure or event has not been set up in the system.
  Incorrect Data Entry: The unit of measure or event being used in the transaction does not exist in the TMC24 table.
  Custom Developments: If there are custom developments or enhancements, they may not be correctly referencing the TMC24