How To Fix FAGL_MIG149 - Only one source ledger may be assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: FAGL_MIG - Migration to New General Ledger Accounting

• Message number: 149

• Message text: Only one source ledger may be assigned

What causes this issue?

You have assigned to a migration plan more than one source ledger from
Special Purpose Ledger.

System Response

Assignment of more than one source ledger is <ZH>not </>possible.

How to fix this error?

Select only one source ledger in Special Purpose Ledger for your
migration plan and assign it to your migration plan.

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 FAGL_MIG149 - Only one source ledger may be assigned ?

  The SAP error message FAGL_MIG149 ("Only one source ledger may be assigned") typically occurs during the migration process when you are trying to assign multiple source ledgers to a single target ledger in the context of the New General Ledger (New GL) migration. This error indicates that the system does not allow more than one source ledger to be assigned to a single target ledger.
  Cause:
  
  Multiple Source Ledgers: You may have inadvertently tried to assign more than one source ledger to a target ledger during the migration process.
  Configuration Issues: The configuration settings in the system may not be set up correctly, leading to this error.
  Data Migration Process: The error can also arise if the data migration process is not following the required steps or if there are inconsistencies in the ledger assignments.
  
  Solution:
  
  
  Check Ledger Assignments:
  
  Go to the configuration settings for the New GL and check the ledger assignments.
  Ensure that each target ledger is assigned only one source ledger.
  
  
  
  Adjust Configuration:
  
  If you find that multiple source ledgers are assigned to a single target ledger, you will need to adjust the configuration to ensure that only one source ledger is assigned.
  
  
  
  Review Migration Steps:
  
  Review the steps you have taken in the migration process to ensure that you are following the correct procedure.
  Make sure that you are not trying to migrate data from multiple source ledgers into a single target ledger.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or guides related to New GL migration for specific instructions on how to handle ledger assignments.
  
  
  
  Use Transaction Codes:
  
  You can use transaction codes like OBY6 (for ledger settings) to review and modify the ledger assignments.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide guidance based on your specific system configuration and requirements.
  
  
  
  Related Information:
  
  New General Ledger (New GL): This is a feature in SAP that allows for more flexible and comprehensive financial reporting and accounting.
  Migration Process: The migration to New GL involves several steps, including configuring ledgers, mapping accounts, and migrating data.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBY6, FAGL_MIGRATE, and others that may assist in the migration process.
  
  By following these steps, you should be able to resolve the FAGL_MIG149 error and successfully complete your migration to the New General Ledger.