Fatal error: Uncaught Error: Interface "Psr\Http\Message\UriFactoryInterface" not found in /Users/ppss/Sites/PPSS/api/vendor/slim/psr7/src/Factory/UriFactory.php:28 Stack trace: #0 {main} thrown in /Users/ppss/Sites/PPSS/api/vendor/slim/psr7/src/Factory/UriFactory.php on line 28