Message type: E = Error
Message class:  CNV_10520_CHECK - Messages for FI-CA (DFKKSUM) checks 
Message number: 001
Message text: Table DFKKSUM is not available in the system. No action required.
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The SAP error message CNV_10520_CHECK001 indicates that the system is unable to find the table DFKKSUM. This table is typically related to the SAP Convergent Charging (SAP CC) or other financial applications within SAP. The error suggests that the table is not available in the system, which can occur for several reasons. Possible Causes: Missing Table: The table DFKKSUM may not exist in your SAP system due to an incomplete installation or configuration of the relevant module. Incorrect System Version: The version of SAP you are using may not support this table, or it may be part of a specific add-on that is not installed. Authorization Issues: There may be authorization issues preventing access to the table, even if it exists. Database Issues: There could be issues with the database connection or integrity that prevent the table from being recognized. Solutions: Check Table Existence: Use transaction code SE11 (Data Dictionary) to check if the table DFKKSUM exists
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