How To Fix GG645 - Report Writer control table entries for table & already exist

GG645 - Overview

• Message type: E = Error

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

• Message number: 645

• Message text: Report Writer control table entries for table & already exist

What causes this issue?

Since control table entries already exist for the Report Writer and
table &V1&, you cannot create any new entries.

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?

If necessary, delete the existing table entries first.

Error message extract from SAP system. Copyright SAP SE.

GG645 - Details

• The SAP error message GG645 indicates that there are already existing control table entries for a specific table in the Report Writer. This typically occurs when you attempt to create or modify a Report Writer report, and the system finds that the control table entries for the specified table already exist.
  
  Cause:
  
  Duplicate Entries: The most common cause of this error is that there are already entries in the control table for the specified table. This can happen if the report was previously created or if there was an attempt to create it again without deleting the existing entries.
  Incorrect Configuration: Sometimes, the error can arise from incorrect configuration or settings in the Report Writer or the underlying data structure.
  Transport Issues: If the report was transported from another system, it might have brought along existing control table entries that conflict with the current setup.
  
  
  Solution:
  
  
  Check Existing Entries: 
  
  Use transaction code GRR1 to check the