Fatal error: Uncaught TypeError: fclose(): Argument #1 ($stream) must be of type resource, bool given in /home/public/wp-content/plugins/wp-flickr-background/wp-flickr-background.php:257 Stack trace: #0 /home/public/wp-content/plugins/wp-flickr-background/wp-flickr-background.php(257): fclose(false) #1 /home/public/wp-content/plugins/wp-flickr-background/wp-flickr-background.php(275): wpFlickrBackground->_has_writeable_config_hash_file(true) #2 /home/public/wp-content/plugins/wp-flickr-background/wp-flickr-background.php(108): wpFlickrBackground->_init_config_hash_file() #3 /home/public/wp-content/plugins/wp-flickr-background/inc/class-myatuPluginBase.php(213): wpFlickrBackground->on_init() #4 /home/public/wp-content/plugins/wp-flickr-background/wp-flickr-background.php(1048): myatuPluginBaseClass->__construct('/home/public/wp...') #5 /home/public/wp-settings.php(215): include_once('/home/public/wp...') #6 /home/public/wp-config.php(90): require_once('/home/public/wp...') #7 /home/public/wp-load.php(29): require_once('/home/public/wp...') #8 /home/public/wp-blog-header.php(12): require_once('/home/public/wp...') #9 /home/public/index.php(17): require('/home/public/wp...') #10 {main} thrown in /home/public/wp-content/plugins/wp-flickr-background/wp-flickr-background.php on line 257