How To Fix KM156 - Group & already exists for table GLTPC

KM156 - Overview

• Message type: E = Error

• Message class: KM - Error messages for Profit Center Accounting

• Message number: 156

• Message text: Group & already exists for table GLTPC

What causes this issue?

&V1& is a group for the old summary record table GLTPC, which was used
in Release 2.2.

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 whether you have already carried out the
<DS:SIMG.SIMG_CFMENUORK10KEW>conversions for groups</> required
following an upgrade to Release 3.0. If you have not yet done so, do
it as soon as possible.
Avoid creating groups of the same name for summary record table GLPCT
if groups already exist for the old table. Otherwise the new ones will
be overwritten when you convert the old ones.

Error message extract from SAP system. Copyright SAP SE.

KM156 - Details

• The SAP error message KM156, which states "Group & already exists for table GLTPC," typically occurs when there is an attempt to create or modify a group in the GLTPC table (which is related to the SAP Controlling module) that already exists. This can happen during various processes, such as data uploads, configuration changes, or during the execution of certain transactions.
  
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the group you are trying to create or modify already exists in the GLTPC table.
  Data Upload Issues: If you are uploading data (e.g., through LSMW or other data migration tools), the source data may contain duplicates.
  Configuration Errors: Incorrect configuration settings or attempts to create groups without checking existing entries can lead to this error.
  
  
  Solution:
  
  
  Check Existing Groups: Before creating a new group, check the existing entries in the GLTPC table to ensure that the group you want to create does