Fatal error: Uncaught Error: Class 'Laminas\Feed\Exception\InvalidArgumentException' not found in C:\SistemasPHP\observatorio4\vendor\laminas\laminas-feed\src\PubSubHubbub\Exception\InvalidArgumentException.php:7
Stack trace:
#0 {main}
thrown in C:\SistemasPHP\observatorio4\vendor\laminas\laminas-feed\src\PubSubHubbub\Exception\InvalidArgumentException.php on line 7