How To Fix FINS_ACDOC_CUST309 - Ledger group &1 requires a mapping assignment to ledger &2

FINS_ACDOC_CUST309 - Overview

• Message type: E = Error

• Message class: FINS_ACDOC_CUST - Unified Journal Entry - Customizing

• Message number: 309

• Message text: Ledger group &1 requires a mapping assignment to ledger &2

What causes this issue?

Ledger group &V1& is used solely for postings to ledger &V2&. Thus, this
ledger group must contain this ledger.

System Response

Error

How to fix this error?

Assign ledger &V1& to ledger group &V2& using the customizing
transaction specified in this message.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FINS_ACDOC_CUST309 - Ledger group &1 requires a mapping assignment to ledger &2 ?

  The SAP error message FINS_ACDOC_CUST309 indicates that there is a missing mapping assignment between a ledger group and a specific ledger in the system. This typically occurs in the context of Financial Accounting (FI) and Controlling (CO) when working with the Universal Journal (ACDOCA) in SAP S/4HANA.
  
  Cause:
  The error arises when:
  
  A ledger group is configured in the system, but there is no corresponding mapping to the actual ledger.
  The system requires a mapping to determine how to post transactions to the correct ledger based on the ledger group specified.
  
  
  Solution:
  To resolve this error, you need to create or update the mapping assignment between the ledger group and the ledger. Here are the steps to do this:
  
  
  Access the Customizing Transaction:
  
  Go to transaction code SPRO (SAP Project Reference Object).
  Navigate to Financial Accounting (New) > General Ledger Accounting (New) > Master Data > Ledger > Define Ledger Group.
  
  
  
  Define Mapping:
  
  In the configuration, look for the option to