Fatal error: Unable to load cache resource 'cronjobs-38'

Information:

error message: Unable to load cache resource 'cronjobs-38'
error code: 0
file: /srv/vhosts/world-of-paranoid.com/htdocs/forum/wcf/lib/system/cache/CacheHandler.class.php (214)
php version: 5.6.17-0+deb8u1
wcf version: 1.0.10 (Horizon)
date: Sun, 28 Apr 2024 02:15:05 +0000
request: /forum/index.php?page=Board&boardID=21&pageNo=15&sortOrder=ASC&s=c8fa878576266c96fba457b6d2b8c2f0ecf817ae
referer:

Stacktrace:

#0 /srv/vhosts/world-of-paranoid.com/htdocs/forum/wcf/lib/system/cache/CacheHandler.class.php(196): CacheHandler->loadCacheFile(Array)
#1 /srv/vhosts/world-of-paranoid.com/htdocs/forum/wcf/lib/system/cache/CacheHandler.class.php(155): CacheHandler->load(Array)
#2 /srv/vhosts/world-of-paranoid.com/htdocs/forum/lib/system/WBBCore.class.php(73): CacheHandler->get('cronjobs-38', 'nextExec')
#3 /srv/vhosts/world-of-paranoid.com/htdocs/forum/lib/system/WBBCore.class.php(38): WBBCore->initCronjobs()
#4 /srv/vhosts/world-of-paranoid.com/htdocs/forum/wcf/lib/system/WCF.class.php(93): WBBCore->initTPL()
#5 /srv/vhosts/world-of-paranoid.com/htdocs/forum/global.php(19): WCF->__construct()
#6 /srv/vhosts/world-of-paranoid.com/htdocs/forum/index.php(1333): require_once('/srv/vhosts/wor...')
#7 {main}