Fatal error: Unable to load cache resource 'stat'

Information:

error message: Unable to load cache resource 'stat'
error code: 0
file: /www/htdocs/v079749/__devlog/myBB_Corp/wcf/lib/system/cache/CacheHandler.class.php (214)
php version: 5.6.40-nmm9
wcf version: 1.0.11 pl 4 (Horizon)
date: Tue, 16 Jul 2024 19:55:06 +0000
request: /index.php?page=Index&s=fb10c0a50c22ee9d2e95dc9ece25751324079ed0
referer:

Stacktrace:

#0 /www/htdocs/v079749/__devlog/myBB_Corp/wcf/lib/system/cache/CacheHandler.class.php(196): CacheHandler->loadCacheFile(Array)
#1 /www/htdocs/v079749/__devlog/myBB_Corp/wcf/lib/system/cache/CacheHandler.class.php(155): CacheHandler->load(Array)
#2 /www/htdocs/v079749/__devlog/myBB_Corp/lib/page/IndexPage.class.php(44): CacheHandler->get('stat')
#3 /www/htdocs/v079749/__devlog/myBB_Corp/lib/page/IndexPage.class.php(26): IndexPage->renderStats()
#4 /www/htdocs/v079749/__devlog/myBB_Corp/wcf/lib/page/AbstractPage.class.php(77): IndexPage->assignVariables()
#5 /www/htdocs/v079749/__devlog/myBB_Corp/wcf/lib/page/AbstractPage.class.php(36): AbstractPage->show()
#6 /www/htdocs/v079749/__devlog/myBB_Corp/wcf/lib/util/RequestHandler.class.php(63): AbstractPage->__construct()
#7 /www/htdocs/v079749/__devlog/myBB_Corp/wcf/lib/util/RequestHandler.class.php(91): RequestHandler->__construct('Index', Array, 'page')
#8 /www/htdocs/v079749/__devlog/myBB_Corp/index.php(8): RequestHandler::handle(Array)
#9 {main}