Fatal error: Uncaught TypeError: flock(): Argument #1 ($stream) must be of type resource, false given in /home/appelboom/public_html/system/storage/modification/system/library/cache/file.php:32
Stack trace:
#0 /home/appelboom/public_html/system/storage/modification/system/library/cache/file.php(32): flock(false, 1)
#1 /home/appelboom/public_html/system/storage/modification/system/library/cache.php(45): Cache\File->get('catalog.languag...')
#2 /home/appelboom/public_html/catalog/model/localisation/language.php(10): Cache->get('catalog.languag...')
#3 /home/appelboom/public_html/system/storage/modification/system/engine/loader.php(280): ModelLocalisationLanguage->getLanguages()
#4 /home/appelboom/public_html/system/engine/proxy.php(47): Loader->{closure}(Array, Array)
#5 /home/appelboom/public_html/system/storage/modification/catalog/controller/startup/seo_url.php(706): Proxy->__call('getLanguages', Array)
#6 /home/appelboom/public_html/system/storage/modification/system/library/url.php(65): ControllerStartupSeoUrl->rewrite('https://appelbo...')
#7 /home/appelboom/public_html/system/storage/modification/catalog/controller/product/category.php(507): Url->link('product/product', 'path=17_310_884...')
#8 /home/appelboom/public_html/system/storage/modification/system/engine/action.php(85): ControllerProductCategory->index()
#9 /home/appelboom/public_html/catalog/controller/startup/router.php(25): Action->execute(Object(Registry))
#10 /home/appelboom/public_html/system/storage/modification/system/engine/action.php(85): ControllerStartupRouter->index()
#11 /home/appelboom/public_html/system/storage/modification/system/engine/router.php(77): Action->execute(Object(Registry))
#12 /home/appelboom/public_html/system/storage/modification/system/engine/router.php(66): Router->execute(Object(Action))
#13 /home/appelboom/public_html/system/framework.php(169): Router->dispatch(Object(Action), Object(Action))
#14 /home/appelboom/public_html/system/startup.php(104): require_once('/home/appelboom...')
#15 /home/appelboom/public_html/index.php(35): start('catalog')
#16 {main}
thrown in /home/appelboom/public_html/system/storage/modification/system/library/cache/file.php on line 32