Would seem the chatbox is the main issue
[Thu Jun 08 16:55:24.479738 2023] [php:error] [pid 7111] [client 188.165.216.163:46592] PHP Fatal error: Declaration of IPS\\chatbox\\Rooms\\_Chat::getItemsWithPermission($where = [], $order = null, $limit = 10, $permissionKey = 'read', $includeHiddenItems = IPS\\Content\\Hideable::FILTER_AUTOMATIC, $queryFlags = 0, ?IPS\\Member $member = null, $joinContainer = false, $joinComments = false, $joinReviews = false, $countOnly = false, $joins = null, $skipPermission = false, $joinTags = true, $joinAuthor = true, $joinLastCommenter = true, $showMovedLinks = false) must be compatible with IPS\\Content\\_Item::getItemsWithPermission($where = [], $order = null, $limit = 10, $permissionKey = 'read', $includeHiddenItems = IPS\\Content\\Hideable::FILTER_AUTOMATIC, $queryFlags = 0, ?IPS\\Member $member = null, $joinContainer = false, $joinComments = false, $joinReviews = false, $countOnly = false, $joins = null, $skipPermission = false, $joinTags = true, $joinAuthor = true, $joinLastCommenter = true, $showMovedLinks = false, $location = null) in /home/admin/web/unofficialmills.co.uk/public_html/forums/applications/chatbox/sources/Rooms/Chat.php on line 131, referer: https://unofficialmills.co.uk/forums/admin/upgrade/?controller=upgrade&key=ff426687ba24603d6c294c27a8dc2313
[Thu Jun 08 16:55:24.590661 2023] [mime:warn] [pid 30260] AH01599: Cannot get media type from 'x-httpd-php71'
[Thu Jun 08 16:55:25.093335 2023] [php:error] [pid 30260] [client 188.165.216.163:46610] PHP Fatal error: Declaration of IPS\\chatbox\\Rooms\\_Chat::getItemsWithPermission($where = [], $order = null, $limit = 10, $permissionKey = 'read', $includeHiddenItems = IPS\\Content\\Hideable::FILTER_AUTOMATIC, $queryFlags = 0, ?IPS\\Member $member = null, $joinContainer = false, $joinComments = false, $joinReviews = false, $countOnly = false, $joins = null, $skipPermission = false, $joinTags = true, $joinAuthor = true, $joinLastCommenter = true, $showMovedLinks = false) must be compatible with IPS\\Content\\_Item::getItemsWithPermission($where = [], $order = null, $limit = 10, $permissionKey = 'read', $includeHiddenItems = IPS\\Content\\Hideable::FILTER_AUTOMATIC, $queryFlags = 0, ?IPS\\Member $member = null, $joinContainer = false, $joinComments = false, $joinReviews = false, $countOnly = false, $joins = null, $skipPermission = false, $joinTags = true, $joinAuthor = true, $joinLastCommenter = true, $showMovedLinks = false, $location = null) in /home/admin/web/unofficialmills.co.uk/public_html/forums/applications/chatbox/sources/Rooms/Chat.php on line 131, referer: https://unofficialmills.co.uk/forums/admin/upgrade/?controller=upgrade&key=ff426687ba24603d6c294c27a8dc2313