Fatal error: Uncaught Error: Class 'PhpSpec\ObjectBehavior' not found in /home/eberhardschwarze/public_html/vendor/netzmacht/html/spec/Netzmacht/Html/Factory/ElementFactorySpec.php:21 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/netzmacht/html/spec/Netzmacht/Html/Factory/ElementFactorySpec.php on line 21