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(16): Cache\File->get()
#2 /var/www/html/catalog/controller/common/header.php(326): Cache->get()
#3 /var/www/html/system/modification/system/engine/action.php(65): ControllerCommonHeader->index()
#4 /var/www/html/system/modification/system/engine/loader.php(12): Action->execute()
#5 /var/www/html/catalog/controller/product/product.php(166): Loader->controller()
#6 /var/www/html/system/modification/system/engine/action.php(65): ControllerProductProduct->index()
#7 /var/www/html/system/engine/front.php(34): Action->execute()
#8 /var/www/html/system/engine/front.php(29): Front->execute()
#9 /var/www/html/index.php(451): Front->dispatch()
#10 {main}
thrown in /var/www/html/system/library/cache/file.php on line 30