Fatal error: Uncaught Error: Interface 'Masterminds\HTML5\InstructionProcessor' not found in /home/www/farandole/vendor/masterminds/html5/test/HTML5/Parser/InstructionProcessorMock.php:4 Stack trace: #0 {main} thrown in /home/www/farandole/vendor/masterminds/html5/test/HTML5/Parser/InstructionProcessorMock.php on line 4