Fatal error: Uncaught TypeError: flock(): supplied resource is not a valid stream resource in /home/kgpuwugw/public_html/wp-content/plugins/w3-total-cache/Cache_File.php:123 Stack trace: #0 /home/kgpuwugw/public_html/wp-content/plugins/w3-total-cache/Cache_File.php(123): flock(Resource id #80, 3) #1 /home/kgpuwugw/public_html/wp-content/plugins/w3-total-cache/ObjectCache_WpObjectCache_Regular.php(312): W3TC\Cache_File->set('0defaultis_blog...', Array, 180) #2 /home/kgpuwugw/public_html/wp-content/plugins/w3-total-cache/ObjectCache_WpObjectCache.php(68): W3TC\ObjectCache_WpObjectCache_Regular->set('is_blog_install...', true, 'default', 0) #3 /home/kgpuwugw/public_html/wp-content/object-cache.php(86): W3TC\ObjectCache_WpObjectCache->set('is_blog_install...', true, 'default', 0) #4 /home/kgpuwugw/public_html/wp-includes/functions.php(1791): wp_cache_set('is_blog_install...', true) #5 /home/kgpuwugw/public_html/wp-includes/load.php(899): is_blog_installed() #6 /home/kgpuwugw/public_html/wp-settings.php(160): wp_not_installed() #7 /home/kgpuwugw/public_html/wp-config.php(99): require_once('/home/kgpuwugw/...') #8 /home/kgpuwugw/public_html/wp-load.php(50): require_once('/home/kgpuwugw/...') #9 /home/kgpuwugw/public_html/wp-blog-header.php(13): require_once('/home/kgpuwugw/...') #10 /home/kgpuwugw/public_html/index.php(17): require('/home/kgpuwugw/...') #11 {main} thrown in /home/kgpuwugw/public_html/wp-content/plugins/w3-total-cache/Cache_File.php on line 123

Fatal error: Uncaught Error: Call to a member function set() on null in /home/kgpuwugw/public_html/wp-includes/l10n.php:806 Stack trace: #0 /home/kgpuwugw/public_html/wp-includes/l10n.php(900): load_textdomain('default', '/home/kgpuwugw/...', 'fa_IR') #1 /home/kgpuwugw/public_html/wp-includes/class-wp-fatal-error-handler.php(47): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in /home/kgpuwugw/public_html/wp-includes/l10n.php on line 806