How To Fix DMC_GENERAL390 - Cannot copy migration object; rule &1 has been changed

DMC_GENERAL390 - Overview

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 390

• Message text: Cannot copy migration object; rule &1 has been changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL390 - Cannot copy migration object; rule &1 has been changed ?

  The SAP error message DMC_GENERAL390 indicates that there is an issue with copying a migration object due to changes made to a specific rule. This error typically occurs in the context of data migration projects, particularly when using the SAP Data Migration Cockpit or similar tools.
  
  Cause:
  The error is triggered when the migration object you are trying to copy has a rule (denoted as &1 in the error message) that has been modified since the last time the object was copied. This could happen due to:
  
  Changes in the Migration Rules: If the rules governing the migration object have been altered, the system prevents copying to ensure data integrity and consistency.
  Concurrent Modifications: If multiple users are working on the same migration object or rules, one user’s changes may conflict with another’s actions.
  Version Control Issues: If the migration object is version-controlled, changes to the rules may not be compatible with the version you