Bug Declaration Issue for Get Cache Items

[robdog]

Here is the error that I am running into:

PHP Fatal error: Declaration of Symfony\Component\Cache\CacheItem::get() must be compatible with Psr\Cache\CacheItemInterface::get(): mixed
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The vendor file doesn't seem to have the response value for "mixed". I am using PHP 8.3 and on the latest version of XenForo.

Let me know if you need any other details.

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