How To Fix GG105 - You cannot change the ledger class

GG105 - Overview

• Message type: E = Error

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

• Message number: 105

• Message text: You cannot change the ledger class

What causes this issue?

You wanted to change the ledger class to 'C'. However, activities are
assigned to ledger &V1& and these activities are not supported for
rollup ledgers (ledger class C).

System Response

The system cancels the change made to the ledger class.

How to fix this error?

Check your entry.

Error message extract from SAP system. Copyright SAP SE.

GG105 - Details

• The SAP error message GG105, which states "You cannot change the ledger class," typically occurs when there is an attempt to modify the ledger class of a ledger that is already in use or has been defined in a way that does not allow changes. This error is often encountered in the context of Financial Accounting (FI) and Controlling (CO) modules, particularly when dealing with ledgers in the New General Ledger (New GL) functionality.
  
  Cause:
  
  Ledger Usage: The ledger you are trying to change is already being used in transactions or has been activated in the system.
  Configuration Restrictions: Certain configurations in SAP prevent changes to the ledger class once it has been defined and used.
  Data Consistency: SAP enforces data consistency and integrity, which means that changing the ledger class could lead to inconsistencies in financial reporting and data.
  
  
  Solution:
  
  Review Ledger Usage: Check if the ledger is currently in use. If it is, you