WordPress database error: [Can't create/write to file '/root/mysql-tmpdir/#sql-temptable-1f8b27-3ec5-cbd9.MAI' (Errcode: 13 "Permission denied")]
SHOW FULL COLUMNS FROM `wp_options`

Warning: Cannot modify header information - headers already sent by (output started at /home/harves59/public_html/wp-includes/class-wpdb.php:1851) in /home/harves59/public_html/wp-includes/pluggable.php on line 1450

Warning: Cannot modify header information - headers already sent by (output started at /home/harves59/public_html/wp-includes/class-wpdb.php:1851) in /home/harves59/public_html/wp-includes/pluggable.php on line 1453