Fatal error: Uncaught Error: Interface 'Psr\Link\LinkProviderInterface' not found in /home/eberhardschwarze/public_html/vendor/psr/link/src/EvolvableLinkProviderInterface.php:8 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/psr/link/src/EvolvableLinkProviderInterface.php on line 8