How To Fix DMC_GENERAL026 - This sender structure is already selected as secondary access relation

DMC_GENERAL026 - Overview

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 026

• Message text: This sender structure is already selected as secondary access relation

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 DMC_GENERAL026 - This sender structure is already selected as secondary access relation ?

  The SAP error message DMC_GENERAL026 indicates that a sender structure has already been selected as a secondary access relation in the context of Data Migration Cockpit (DMC) or similar data management processes. This typically occurs when you are trying to set up a data migration scenario and the system detects that the sender structure you are trying to use is already associated with another access relation.
  
  Cause:
  
  Duplicate Selection: The sender structure you are trying to use has already been defined in the system as a secondary access relation for another migration object or scenario.
  Configuration Error: There may be a misconfiguration in the data migration setup where the same sender structure is being referenced multiple times incorrectly.
  Data Model Constraints: The data model may have constraints that prevent the same structure from being used in multiple contexts simultaneously.
  
  
  Solution:
  
  Check Existing Configurations: Review the existing configurations in the Data Migration Cockpit to see where the