Fatal error: Uncaught Error: Class 'Requests_Response_Headers' not found in /home/almaqboo/public_html/wp-includes/Requests/Response.php:20 Stack trace: #0 /home/almaqboo/public_html/wp-includes/class-requests.php(631): Requests_Response->__construct() #1 /home/almaqboo/public_html/wp-includes/class-requests.php(385): Requests::parse_response('HTTP/1.1 200 OK...', 'https://updates...', Array, Array, Array) #2 /home/almaqboo/public_html/wp-includes/class-wp-http.php(395): Requests::request('https://updates...', Array, Array, 'POST', Array) #3 /home/almaqboo/public_html/wp-includes/class-wp-http.php(615): WP_Http->request('https://updates...', Array) #4 /home/almaqboo/public_html/wp-includes/http.php(179): WP_Http->post('https://updates...', Array) #5 /home/almaqboo/public_html/wp-content/plugins/revslider/admin/includes/loadbalancer.class.php(69): wp_remote_post('https://updates...', Array) #6 /home/almaqboo/public_html/wp-content/plugins/revslider/revslider.php(184): RevSliderLoadBalancer->refresh_server_list() #7 /home/a in /home/almaqboo/public_html/wp-includes/Requests/Response.php on line 20