How To Fix GG006 - Only ledger class B is allowed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 006

• Message text: Only ledger class B is allowed

What causes this issue?

You can only create class 'B' ledgers in the consolidation configuration
menu.

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?

Use ledger class 'B'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GG006 - Only ledger class B is allowed ?

  The SAP error message GG006 ("Only ledger class B is allowed") typically occurs in the context of financial accounting and controlling when there is an attempt to post or process transactions that are not compatible with the specified ledger class. This error is often related to the configuration of ledgers in the system, particularly in the context of the New General Ledger (New GL) functionality.
  Cause:
  
  Ledger Class Configuration: The error indicates that the transaction you are trying to process is being attempted in a ledger that is not classified as "B" (which usually stands for "Balance Ledger"). The system is configured to only allow certain types of postings in specific ledger classes.
  Transaction Type: The type of transaction you are trying to post may not be allowed in the current ledger class due to the configuration settings in the system.
  Document Type: The document type used for the transaction may not be compatible with the ledger class being used.
  
  Solution:
  
  
  Check Ledger Class Configuration:
  
  Go to the configuration settings in SAP (Transaction Code: SPRO).
  Navigate to Financial Accounting (New) > General Ledger Accounting (New) > Ledgers > Define Ledger.
  Verify the settings for the ledger class and ensure that it is set up correctly to allow the type of transaction you are trying to post.
  
  
  
  Review Transaction Type:
  
  Ensure that the transaction type you are using is compatible with the ledger class. You may need to adjust the transaction type or use a different one that is allowed for the ledger class "B".
  
  
  
  Check Document Type:
  
  Review the document type being used for the transaction. Ensure that it is configured to allow postings to the ledger class "B".
  
  
  
  Consult with SAP Basis or Functional Consultant:
  
  If you are unsure about the configuration or how to resolve the issue, it may be beneficial to consult with an SAP Basis or Functional Consultant who can provide insights into the specific configuration of your system.
  
  
  
  Testing:
  
  After making any changes, perform a test transaction to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Documentation: Review the SAP documentation related to New General Ledger functionality for a better understanding of ledger classes and their configurations.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  OB22: For defining document types.
  OB37: For defining transaction types.
  OBY6: For defining ledgers.
  
  
  
  By following these steps, you should be able to identify the cause of the GG006 error and implement a solution to resolve it.