How To Fix MDG_GN026 - Logical name &4 is not unique - system error

MDG_GN026 - Overview

• Message type: E = Error

• Message class: MDG_GN - Messages from the Generator

• Message number: 026

• Message text: Logical name &4 is not unique - system error

What causes this issue?

The logical name path &V1&/&V2&/&V3&/&V4& is not unique in blueprint
&V1&, or catalogs <LB><EX>MDG_GN_TEXBP</></> and <LB><EX>MDG_GN_TGOBJ</>
</> are inconsistent.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_GN026 - Logical name &4 is not unique - system error ?

  The SAP error message MDG_GN026 indicates that there is a problem with the logical name specified in the Master Data Governance (MDG) system. The error message states that the logical name is not unique, which means that there are multiple entries in the system that share the same logical name, leading to a conflict.
  
  Cause:
  
  
  Duplicate Logical Names: The most common cause of this error is that the logical name you are trying to use is already assigned to another entity in the system. This could happen if:
  
  There was a manual entry error.
  Data was imported or migrated incorrectly.
  There are multiple records in the database that have the same logical name.
  
  
  
  
  Configuration Issues: Sometimes, the configuration settings in the MDG system may not be set up correctly, leading to conflicts in logical names.
  
  
  
  Solution:
  
  
  Check for Duplicates:
  
  Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check the relevant tables for existing entries with