How To Fix KT377 - ML Version: Activating indicator / change field not allowed

KT377 - Overview

• Message type: E = Error

• Message class: KT - RK Message Table Maintenance

• Message number: 377

• Message text: ML Version: Activating indicator / change field not allowed

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 KT377 - ML Version: Activating indicator / change field not allowed ?

  The SAP error message KT377, which states "ML Version: Activating indicator / change field not allowed," typically occurs in the context of Material Ledger (ML) functionality in SAP. This error indicates that there is an issue with the activation of the Material Ledger for a particular material or that changes to certain fields are not permitted due to the current configuration or status of the material.
  
  Cause:
  
  Material Ledger Not Activated: The Material Ledger may not be activated for the company code or the material in question.
  Field Change Restrictions: Certain fields related to the Material Ledger cannot be changed once the material has been created or once certain transactions have been posted.
  Status of Material: The material may be in a status that does not allow changes (e.g., it may be blocked or in a closed period).
  
  Configuration Issues: There may be configuration settings in the Material Ledger that prevent changes to the activation