Message type: E = Error
Message class:  CNV_10520_CHECK - Messages for FI-CA (DFKKSUM) checks 
Message number: 002
Message text: There are no relevant company codes to be checked in table DFKKSUM
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The SAP error message CNV_10520_CHECK002 indicates that there are no relevant company codes to be checked in the table DFKKSUM. This error typically arises during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the execution of specific programs related to financial data.
Cause: Missing Company Codes: The primary cause of this error is that there are no company codes defined in the system that match the criteria set for the check in the DFKKSUM table.
Configuration Issues: There may be configuration issues where the company codes are not properly set up or linked to the relevant financial data. Data Migration Issues: If you are migrating data from another system, it is possible that the company codes were not migrated correctly or are missing. Table DFKKSUM: This table is used to store summary data for financial documents. If it is empty or does not contain the expected entries, this error can
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