Fatal error: Class 'WP_REST_Posts_Controller' not found in /var/www/fs2/40/katankon/public_html/uusisivu/wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php on line 17

Fatal error: Uncaught Error: Call to undefined function esc_url() in /var/www/fs2/40/katankon/public_html/uusisivu/wp-includes/class-wp-fatal-error-handler.php:190 Stack trace: #0 /var/www/fs2/40/katankon/public_html/uusisivu/wp-includes/class-wp-fatal-error-handler.php(147): WP_Fatal_Error_Handler->display_default_error_template(Array, false) #1 /var/www/fs2/40/katankon/public_html/uusisivu/wp-includes/class-wp-fatal-error-handler.php(52): WP_Fatal_Error_Handler->display_error_template(Array, false) #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in /var/www/fs2/40/katankon/public_html/uusisivu/wp-includes/class-wp-fatal-error-handler.php on line 190