Fatal error: Uncaught Error: Interface "Psr\Container\ContainerInterface" not found in /home/custom/public_html/katiekarr/vendor/symfony/service-contracts/ServiceProviderInterface.php:24
Stack trace:
#0 {main}
thrown in /home/custom/public_html/katiekarr/vendor/symfony/service-contracts/ServiceProviderInterface.php on line 24