WordPress database error: [Disk full (/tmp/#sql-temptable-1-3415e4d-1b21cb.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")]
SHOW FULL COLUMNS FROM `wpoptions`

Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/wp-includes/wp-db.php:1612) in /var/www/html/wp-includes/rest-api/class-wp-rest-server.php on line 1717 {"id":266,"name":"Nguy\u1ec5n Ng\u1ecdc Nh\u01b0\u00dd","url":"","description":"","link":"https:\/\/saokpop.com\/author\/nguyen-ngoc-nhuy","slug":"nguyen-ngoc-nhuy","avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/975ce7136c717dce4aec1066ad6d66ec?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/975ce7136c717dce4aec1066ad6d66ec?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/975ce7136c717dce4aec1066ad6d66ec?s=96&d=mm&r=g"},"meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/saokpop.com\/wp-json\/wp\/v2\/users\/266"}],"collection":[{"href":"https:\/\/saokpop.com\/wp-json\/wp\/v2\/users"}]}}