Message type: E = Error
Message class:  CNV_20200_CHECK - Messages for check functions (company code merge) 
Message number: 031
Message text: All participating company codes are assigned to financial mgmt area &1
All participating company codes are assigned to financial mgmt area &V1&
Warning
All participating company codes are assigned to the same financial
management area. Note that the transformation solution for company code
merge does not perform any changes related to financial management
areas. If you need to change fund centers or commitment items / budget
items, we recommend that you contact SAP for support by creating a
ticket using component CA-LT-CNV.
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.
The SAP error message CNV_20200_CHECK031 indicates that all participating company codes in a specific conversion or migration process are assigned to the same financial management area. This error typically arises during data migration or conversion activities, particularly when using SAP's Conversion Tools or during the implementation of SAP S/4HANA.
Cause: The error occurs because the system expects that the participating company codes should be assigned to different financial management areas for the conversion process to proceed. If all company codes are assigned to the same financial management area, it may lead to inconsistencies or issues in financial reporting and data integrity.
Solution: To resolve this error, you can take the following steps: Check Company Code Assignments: Review the configuration of the company codes involved in the migration. Ensure that they are assigned to the correct financial management areas as per your business requirements. Modify Financial Management Area Assignments: If necessary, reassign some of the company codes to different
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