How To Fix USMD1B021 - Data model &1: Internal table &2 activated

USMD1B021 - Overview

• Message type: E = Error

• Message class: USMD1B - Meldungen: MDF Anschluss

• Message number: 021

• Message text: Data model &1: Internal table &2 activated

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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USMD1B021 - Details

• The SAP error message USMD1B021 typically indicates that there is an issue with the activation of an internal table related to a data model in the SAP Master Data Governance (MDG) environment. This error can occur during various operations, such as data modeling, data replication, or data activation processes.
  
  Cause:
  The error message "Data model &1: Internal table &2 activated" suggests that there is a problem with the internal table associated with the specified data model. This could be due to several reasons, including:
  
  Data Model 
  Configuration Issues: The data model may not be configured correctly, leading to inconsistencies in the internal tables.
  Transport Issues: If the data model was transported from one system to another, there may be inconsistencies or missing components.
  Database Locking: The internal table may be locked by another process, preventing the activation from completing successfully.
  Data Integrity Issues: There may be issues with the data integrity that prevent the internal table