[bug]Fatal error: Declaration of Detection\Cache\CacheItem::expiresAt(?DateTimeInterface $expiration): Theme must be compatible with Psr\Cache\CacheItemInterface::expiresAt($expiration)

[BackuPs]

Describe the bug
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Include steps to reproduce the behavior.
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User-agent/Device/Phone/Tablet (please complete the following information):

• User-agent [e.g. "Mozilla/5.0 (Linux; Android 12; SAMSUNG SM-F926B) AppleWebKit/537.36..."]

I get this error just on one website. PHP 8.2.27

Fatal error: Declaration of Detection\Cache\CacheItem::expiresAt(?DateTimeInterface $expiration): Theme must be compatible with Psr\Cache\CacheItemInterface::expiresAt($expiration) n /home/public_html/wp-content/themes/champion/framework/plugins/mobile-detect/src/Cache/CacheItem.php on line 100

Any idea how to fix this?

Using the standalone version.