( ! ) Fatal error: Interface 'Symfony\Component\CssSelector\Parser\Handler\HandlerInterface' not found in /var/www/exam_ITR_dev/vendor/symfony/css-selector/Parser/Handler/HashHandler.php on line 30
Call Stack
#	Time	Memory	Function	Location
1	0.0008	405528	{main}( )	.../HashHandler.php:0