Fatal error: Uncaught Error: Interface 'Laminas\Feed\Reader\ExtensionManagerInterface' not found in C:\SistemasPHP\observatorio4\vendor\laminas\laminas-feed\src\Reader\StandaloneExtensionManager.php:12 Stack trace: #0 {main} thrown in C:\SistemasPHP\observatorio4\vendor\laminas\laminas-feed\src\Reader\StandaloneExtensionManager.php on line 12