Fatal error: Uncaught Error: Interface "Masterminds\HTML5\InstructionProcessor" not found in /home/pataplou/www/patrick/pataplouf/vendor/masterminds/html5/test/HTML5/Parser/InstructionProcessorMock.php:5 Stack trace: #0 {main} thrown in /home/pataplou/www/patrick/pataplouf/vendor/masterminds/html5/test/HTML5/Parser/InstructionProcessorMock.php on line 5