Fatal error: Could not check compatibility between SebastianBergmann\CodeUnit\CodeUnitCollection::getIterator(): SebastianBergmann\CodeUnit\CodeUnitCollectionIterator and IteratorAggregate::getIterator(): Traversable, because class SebastianBergmann\CodeUnit\CodeUnitCollectionIterator is not available in C:\xampp\htdocs\slip\laravel-webhooks\vendor\sebastian\code-unit\src\CodeUnitCollection.php on line 51