How To Fix GG844 - Use source field & without a user exit once only

GG844 - Overview

• Message type: E = Error

• Message class: GG - Messages for FI-SL customizing

• Message number: 844

• Message text: Use source field & without a user exit once only

What causes this issue?

Source field &v1& is used in several places without a user exit and
without a consecutive number.
In set conversion, this will have the consequence that the sets from
source field &v1& are only converted to the target field of the same
name.
All other target fields of field &v1& will not be supplied with sets.

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?

Check your field movements for source field &v1&.
If you have not defined any sets for this field or the above situation
does not present a problem, you can start the conversion.

Error message extract from SAP system. Copyright SAP SE.

GG844 - Details

• The SAP error message GG844 ("Use source field & without a user exit once only") typically occurs in the context of data transfer or data processing within SAP, particularly when dealing with data extraction or transformation processes. This error indicates that a source field is being used in a way that is not compliant with the expected usage rules defined in the system.
  
  Cause:
  The error is usually caused by:
  
  Multiple User Exits: The source field is being referenced in multiple user exits or enhancements, which is not allowed. The system expects the source field to be used only once in a specific context.
  Incorrect Configuration: There may be a configuration issue where the source field is incorrectly set up or referenced in the data processing logic.
  Data Transfer Process: The error can also arise during data transfer processes (like LSMW, BAPIs, or IDocs) where the source field is being manipulated or accessed inappropriately.
  
  
  Solution:
  To resolve