Fatal error: Uncaught Error: Interface 'Symfony\Component\DependencyInjection\Extension\ExtensionInterface' not found in C:\SistemasPHP\observatorio4\vendor\symfony\dependency-injection\Extension\Extension.php:26
Stack trace:
#0 {main}
thrown in C:\SistemasPHP\observatorio4\vendor\symfony\dependency-injection\Extension\Extension.php on line 26