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