Fatal error: Could not check compatibility between PHPUnit\TextUI\Configuration\DirectoryCollection::getIterator(): PHPUnit\TextUI\Configuration\DirectoryCollectionIterator and IteratorAggregate::getIterator(): Traversable, because class PHPUnit\TextUI\Configuration\DirectoryCollectionIterator is not available in /home/aplikasiposinfo/public_html/iwanteknik.fixmate.id/vendor/phpunit/phpunit/src/TextUI/Configuration/Value/DirectoryCollection.php on line 56