Fatal error: Could not check compatibility between PHPUnit\TextUI\Configuration\FileCollection::getIterator(): PHPUnit\TextUI\Configuration\FileCollectionIterator and IteratorAggregate::getIterator(): Traversable, because class PHPUnit\TextUI\Configuration\FileCollectionIterator is not available in /home/aplikasiposinfo/public_html/ppid.aplikasipos.info/vendor/phpunit/phpunit/src/TextUI/Configuration/Value/FileCollection.php on line 61