How To Fix GD408 - Sender fields must be unique in their first 8 characters: &1

GD408 - Overview

• Message type: E = Error

• Message class: GD - EDT: External data transfer

• Message number: 408

• Message text: Sender fields must be unique in their first 8 characters: &1

What causes this issue?

Generation of a preliminary program is terminated because the name of
the sender field is not unique in its first 8 characters. This name is
to be displayed as a parameter. However, parameters in reports may not
be longer than 8 characters.

System Response

The name is cut short.

How to fix this error?

Rename the sender field so that it is unique in its first 8 characters.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

GD408 - Details

• The SAP error message GD408 indicates that there is a problem with the uniqueness of sender fields in a particular context, typically related to the configuration of a document or transaction. The error message states that the sender fields must be unique in their first 8 characters, which means that there are multiple entries that share the same first 8 characters in a field that is expected to be unique.
  
  Cause:
  
  Duplicate Entries: The most common cause of this error is that there are duplicate entries in the relevant database table or configuration that share the same first 8 characters in the sender field.
  Incorrect Configuration: There may be an issue with the configuration of the sender fields in the relevant module (e.g., in a financial document, cost center, etc.).
  Data Migration Issues: If data has been migrated from another system, it is possible that duplicates were introduced during the migration process.
  
  
  Solution:
  
  
  Identify Duplicates: 
  
  Use