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MySQL error code

MySQL error 4068

MySQL server error 4068 is ER_CHANGE_REP_SOURCE_CANT_DISABLE_GTID_ONLY_WITHOUT_POSITIONS, reported with SQLSTATE HY000.

When disabling GTID_ONLY and SOURCE_AUTO_POSITION FOR CHANNEL '%s' you must provide SOURCE_LOG_FILE and SOURCE_LOG_POS as source positions are invalid.
Error4068
NameER_CHANGE_REP_SOURCE_CANT_DISABLE_GTID_ONLY_WITHOUT_POSITIONS
SQLSTATEHY000
GroupServer errors

Source: MySQL 8.4 Error Reference