Fatal error: Could not check compatibility between Amp\Pipeline\Pipeline::getIterator(): Amp\Pipeline\ConcurrentIterator and IteratorAggregate::getIterator(): Traversable, because class Amp\Pipeline\ConcurrentIterator is not available in /home/impamarktristard/impamarkapi.tristardev.co.uk/vendor/amphp/pipeline/src/Pipeline.php on line 569