Message type: E = Error
Message class:  CNV_20100 - Messageclass for chart of account conversion 
Message number: 001
Message text: Error while reading table &1
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The SAP error message CNV_20100001, which indicates "Error while reading table &1," typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error suggests that there was an issue accessing a specific database table during the migration process. Causes: Table Does Not Exist: The specified table (&1) may not exist in the database. Authorization Issues: The user executing the migration may not have the necessary authorizations to read the specified table. Database Locking: The table may be locked by another process, preventing access. Corrupted Table: The table may be corrupted or have inconsistencies that prevent it from being read. Incorrect Configuration: There may be a misconfiguration in the migration settings or parameters. Solutions: Check Table Existence: Verify that the table specified in the error message exists in the database. You can do this using transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser). Review Authorizations: Ensure
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