How To Fix FAGL_MIG143 - Partner field &2 not found for field &1 in source ledger &3

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 143

• Message text: Partner field &2 not found for field &1 in source ledger &3

What causes this issue?

In Customizing for New General Ledger Accounting, partner field &V2& is
defined for field &V1&. However, this partner field is <ZH>not</> found
in the selected source ledger.

System Response

The ledger is only partially fulfills the requirements as a source
ledger for the migration. No partner value is transferred for this
document splitting characteristic to the items to be migrated.

How to fix this error?

Select a source ledger in Special Purpose Ledger that contains all of
the required document splitting characteristics. If such a ledger does
not exist, you have to select a different migration type.

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_MIG143 - Partner field &2 not found for field &1 in source ledger &3 ?

  The SAP error message FAGL_MIG143 indicates that there is an issue with the partner field in the context of a migration or data transfer process, particularly when dealing with General Ledger (G/L) accounts. This error typically arises during the migration of data from a classic G/L to the new G/L in SAP S/4HANA or during the use of the Migration Cockpit.
  Cause:
  The error message "Partner field &2 not found for field &1 in source ledger &3" suggests that the system is unable to find the specified partner field (represented by &2) for the given field (represented by &1) in the source ledger (represented by &3). This can occur due to several reasons:
  
  Missing Configuration: The partner field may not be configured correctly in the source ledger.
  Data Inconsistency: There may be inconsistencies or missing entries in the data being migrated.
  Incorrect Mapping: The mapping of fields between the source and target ledgers may not be set up correctly.
  Field Not Supported: The partner field may not be supported in the context of the migration or may not exist in the source ledger.
  
  Solution:
  To resolve the FAGL_MIG143 error, you can take the following steps:
  
  
  Check Configuration:
  
  Verify the configuration of the source ledger to ensure that the partner field is defined and correctly set up.
  Ensure that the necessary settings for the partner field are in place in the G/L account settings.
  
  
  
  Review Migration Data:
  
  Check the data being migrated for completeness and correctness. Ensure that all required fields, including the partner field, are populated.
  Look for any missing or null values in the partner field that may be causing the issue.
  
  
  
  Field Mapping:
  
  Review the mapping of fields in the migration tool or process you are using. Ensure that the partner field is correctly mapped to the corresponding field in the target ledger.
  If you are using the Migration Cockpit, check the mapping template for any discrepancies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the migration process you are performing. There may be specific guidelines or prerequisites for handling partner fields.
  
  
  
  Testing:
  
  If possible, perform a test migration with a smaller dataset to isolate the issue and verify that the partner field is being handled correctly.
  
  
  
  SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like OBY6 (for G/L account settings) or FSP0 (for G/L account master data) to check configurations.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit if you are using it for data migration.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify and resolve the cause of the FAGL_MIG143 error message.