[Warning] InnoDB: Cannot open table mysql/gtid_slave_pos from the internal data dictionary of InnoDB though the .frm file for the table exists. 
[Warning] InnoDB: Cannot open table mysql/innodb_index_stats from the internal data dictionary of InnoDB though the .frm file for the table exists. 
[Warning] InnoDB: Cannot open table mysql/innodb_table_stats from the internal data dictionary of InnoDB though the .frm file for the table exists.
[ERROR] Incorrect definition of table mysql.event: expected column 'sql_mode' at position 14 ...