TDSQL for MySQL/MariaDB Check Details
If the target database is TDSQL for MySQL or TencentDB for MariaDB, the verification will fail if a table to be migrated contains any characters other than digits, underscores, or letters in its name or column name.
Note: TDSQL for MySQL or TencentDB for MariaDB database/table/column names can only contain digits, underscores, or letters.
Troubleshooting
Remove tables that contain invalid characters as prompted and execute the verification task again.