Fatal error: Uncaught Error: Class 'WP_REST_Controller' not found in /home2/avestapo/public_html/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php:17 Stack trace: #0 /home2/avestapo/public_html/wp-settings.php(282): require() #1 /home2/avestapo/public_html/wp-config.php(97): require_once('/home2/avestapo...') #2 /home2/avestapo/public_html/wp-load.php(50): require_once('/home2/avestapo...') #3 /home2/avestapo/public_html/wp-blog-header.php(13): require_once('/home2/avestapo...') #4 /home2/avestapo/public_html/index.php(17): require('/home2/avestapo...') #5 {main} thrown in /home2/avestapo/public_html/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php on line 17

Fatal error: Uncaught Error: Call to a member function set() on null in /home2/avestapo/public_html/wp-includes/l10n.php:854 Stack trace: #0 /home2/avestapo/public_html/wp-includes/l10n.php(957): load_textdomain('default', '/home2/avestapo...', 'fa_IR') #1 /home2/avestapo/public_html/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in /home2/avestapo/public_html/wp-includes/l10n.php on line 854