Message type: E = Error
Message class:  CNV_20100 - Messageclass for chart of account conversion 
Message number: 636
Message text: Table COES to be converted by rebuilding as described in SAP Note 98745
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The SAP error message CNV_20100636 indicates that there is an issue with the conversion of the table COES during a data migration or system upgrade process. This error typically arises when the data in the COES table is not in a format that can be directly converted, necessitating a rebuild of the table.
Cause: The primary cause of this error is often related to inconsistencies or issues in the data stored in the COES table. This can happen due to: Data corruption or inconsistencies in the existing records. Changes in the data structure or format that are not compatible with the new system or version. Issues arising from previous migrations or upgrades that were not completed successfully.
Solution: To resolve this error, SAP Note 98745 provides guidance on how to rebuild the COES table. The general steps to follow include: Backup Data: Before making any changes, ensure that you have a complete backup of the COES table and
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