Shopware 6 Fatal error: Uncaught RuntimeException: Unable to create the "cache" directory

[sven-sw]

Vermutlich das gleiche Problem:

Shopware 6 - Update Problem Shopware 6.4.9.0 - Unsere Website befindet sich gerade in der Wartung

Beim nächsten Update folgende Meldung: Deprecated: Return type of Pimple\Container::offsetExists($id) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/html/vendor/shopware/recovery/Common/vendor/pimple/pimple/src/Pimple/Container.php on line 133 Deprecated: Return type of Pimple\Container::offsetGet($id) should either be compatible with ArrayAccess::offsetGet(…