Message type: E = Error
Message class:  CNV_LTHCM_D_10 - LT HCM: Message Class for Data Deletion 
Message number: 020
Message text: Specified HCM basis table &1 does not exist
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The SAP error message CNV_LTHCM_D_10020 indicates that a specified HCM (Human Capital Management) basis table does not exist in the system. This error typically arises during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools.
Cause: Missing Table: The specified HCM basis table is not present in the database. This could be due to: The table not being created in the system. The table being deleted or not transported correctly. The system being in a state where the required components are not installed. Incorrect Configuration: The configuration settings for the data migration might be pointing to an incorrect or non-existent table. Version Mismatch: The version of the SAP system may not support the specific HCM table being referenced, especially if the migration is being done from an older version to a newer one.
Solution: Check Table Existence: Verify if the specified HCM basis table exists in the database. You can
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