Fatal error: Uncaught Error: Class 'Assert\InvalidArgumentException' not found in /home/eberhardschwarze/public_html/vendor/beberlei/assert/lib/Assert/LazyAssertionException.php:17 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/beberlei/assert/lib/Assert/LazyAssertionException.php on line 17