( ! ) Fatal error: Access level to LondonTheatreApi::$response must be protected (as in class Controller) or weaker in /var/www/html/core/LondonTheatreApi.php on line 154
Call Stack
#	Time	Memory	Function	Location
1	0.0000	404304	{main}( )	.../index.php:0
2	0.0343	2158632	require_once( '/var/www/html/init.php )	.../index.php:7
3	0.0847	3838872	Router->__construct( )	.../init.php:93
4	0.0920	3879000	Router->split_controller_url( $initial_url = '/en/theatre-tickets/london-theatre/back-to-the-future-tickets/show-181290' )	.../Router.php:17
5	0.1250	4974592	Router->front_redirect_to_controller( [0 => 'theatre-tickets', 1 => 'london-theatre', 2 => 'back-to-the-future-tickets', 3 => 'show-181290'] )	.../Router.php:176
6	0.1882	7833600	Events->event_page_new( )	.../Router.php:438
7	0.7741	7911112	spl_autoload_call( $class_name = 'LondonTheatreApi' )	.../Events.php:2242
8	0.7742	7911200	{closure:/var/www/html/init.php:3-16}( $class = 'LondonTheatreApi' )	.../Events.php:2242