Fatal error: Uncaught Error: Interface "Psr\Http\Message\UploadedFileFactoryInterface" not found in /Users/ppss/Sites/PPSS/api/vendor/slim/psr7/src/Factory/UploadedFileFactory.php:23 Stack trace: #0 {main} thrown in /Users/ppss/Sites/PPSS/api/vendor/slim/psr7/src/Factory/UploadedFileFactory.php on line 23