Fatal error: Could not check compatibility between Aeon\Calendar\Gregorian\DateTimeIntervalIterator::getInnerIterator(): Aeon\Calendar\Gregorian\DateTimeIterator and IteratorIterator::getInnerIterator(): ?Iterator, because class Aeon\Calendar\Gregorian\DateTimeIterator is not available in /home/flighto/e-commerce/vendor/aeon-php/calendar/src/Aeon/Calendar/Gregorian/DateTimeIntervalIterator.php on line 128