Open /xrc/XF/PageCache.php, backup a copy to your local computer.
For xf 2.2.12
Find this line (#274) : $cacheId = 'page_' . sha1($uri) . '_' . strlen($uri) . "_s{$styleId}_l{$languageId}_c{$cookieConsentId}_v" . self::CACHE_VERSION;
Change into : $cacheId = 'page_' . sha1($uri) . '_' ...
