Fatal error: Unable to load cache resource 'cronjobs-24'

Information:

error message: Unable to load cache resource 'cronjobs-24'
error code: 0
file: /www/htdocs/w00a3598/wbb/wcf/lib/system/cache/CacheHandler.class.php (214)
php version: 5.6.40-nmm8
wcf version: 1.0.11 pl 4 (Horizon)
date: Thu, 20 Jun 2024 16:46:19 +0000
request: /index.php?form=Search&s=eef95b44d03484889e906442c08f4e80c1a58fea&userID=2
referer:

Stacktrace:

#0 /www/htdocs/w00a3598/wbb/wcf/lib/system/cache/CacheHandler.class.php(196): CacheHandler->loadCacheFile(Array)
#1 /www/htdocs/w00a3598/wbb/wcf/lib/system/cache/CacheHandler.class.php(155): CacheHandler->load(Array)
#2 /www/htdocs/w00a3598/wbb/lib/system/WBBCore.class.php(47): CacheHandler->get('cronjobs-24', 'nextExec')
#3 /www/htdocs/w00a3598/wbb/lib/system/WBBCore.class.php(34): WBBCore->initCronjobs()
#4 /www/htdocs/w00a3598/wbb/wcf/lib/system/WCF.class.php(93): WBBCore->initTPL()
#5 /www/htdocs/w00a3598/wbb/global.php(18): WCF->__construct()
#6 /www/htdocs/w00a3598/wbb/index.php(7): require_once('/www/htdocs/w00...')
#7 {main}