WordPress database error: [Got error 28 from storage engine]
SHOW FULL COLUMNS FROM `wp_options`

WordPress database error: [Got error 28 from storage engine]
SELECT t.*, tt.* FROM wp_terms AS t INNER JOIN wp_term_taxonomy AS tt ON t.term_id = tt.term_id WHERE tt.taxonomy IN ('nav_menu') AND tt.count > 0 ORDER BY t.name ASC

Warning: session_start(): Cannot send session cookie - headers already sent by (output started at /home/polyedhk/public_html/wp-includes/wp-db.php:1309) in /home/polyedhk/public_html/wp-content/plugins/ninja-forms/ninja-forms.php on line 652

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /home/polyedhk/public_html/wp-includes/wp-db.php:1309) in /home/polyedhk/public_html/wp-content/plugins/ninja-forms/ninja-forms.php on line 652

WordPress database error: [Got error 28 from storage engine]
SHOW FULL COLUMNS FROM `wp_options`

WordPress database error: [Got error 28 from storage engine]
SELECT t.*, tt.*, tr.object_id FROM wp_terms AS t INNER JOIN wp_term_taxonomy AS tt ON tt.term_id = t.term_id INNER JOIN wp_term_relationships AS tr ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy IN ('category', 'post_tag', 'post_format') AND tr.object_id IN (988) ORDER BY t.name ASC

Warning: Cannot modify header information - headers already sent by (output started at /home/polyedhk/public_html/wp-includes/wp-db.php:1309) in /home/polyedhk/public_html/wp-includes/pluggable.php on line 1196

Warning: Unknown: write failed: No space left on device (28) in Unknown on line 0

Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/var/cpanel/php/sessions/ea-php56) in Unknown on line 0