Fatal error: Uncaught TypeError: flock(): Argument #1 ($stream) must be of type resource, bool given in /var/www/html/system/library/cache/file.php:30
Stack trace:
#0 /var/www/html/system/library/cache/file.php(30): flock()
#1 /var/www/html/system/library/cache.php(41): Cache\File->get()
#2 /var/www/html/system/library/agoo/cache.php(170): Cache->get()
#3 /var/www/html/catalog/model/setting/store.php(4): agooCache->__call()
#4 /var/www/chemicalstorage/modification/system/engine/loader.php(275): ModelSettingStore->getStores()
#5 /var/www/html/system/engine/proxy.php(47): Loader->{closure}()
#6 /var/www/html/catalog/controller/record/langmark.php(48): Proxy->__call()
#7 /var/www/html/system/helper/seocmsprofunc.php(602): ControllerRecordLangmark->__construct()
#8 /var/www/html/system/helper/seocmsprofunc.php(585): agoo_cont_loading()
#9 /var/www/chemicalstorage/modification/system/library/response.php(131): agoo_cont()
#10 /var/www/html/system/framework.php(172): Response->output()
#11 /var/www/html/system/startup.php(104): require_once('...')
#12 /var/www/html/index.php(28): start()
#13 {main}
thrown in /var/www/html/system/library/cache/file.php on line 30