Fatal error: Uncaught Error: Class 'Masterminds\HTML5\Parser\StringInputStream' not found in C:\SistemasPHP\observatorio4\vendor\masterminds\html5\src\HTML5\Parser\FileInputStream.php:17
Stack trace:
#0 {main}
thrown in C:\SistemasPHP\observatorio4\vendor\masterminds\html5\src\HTML5\Parser\FileInputStream.php on line 17