Deprecated: Opis\Closure\SerializableClosure implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /home/app/htdocs/truebits.docker.installations/invoice-crater/docker-bk/crater/vendor/opis/closure/src/SerializableClosure.php on line 18