Fatal error: Could not check compatibility between PharIo\Manifest\RequirementCollection::getIterator(): PharIo\Manifest\RequirementCollectionIterator and IteratorAggregate::getIterator(): Traversable, because class PharIo\Manifest\RequirementCollectionIterator is not available in /home/bimmertest/BookStack/vendor/phar-io/manifest/src/values/RequirementCollection.php on line 31