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Fatal error: Uncaught TypeError: flock(): supplied resource is not a valid stream resource in /sites/12alliance.ru/wp-content/plugins/w3-total-cache/Cache_File.php:123 Stack trace: #0 /sites/12alliance.ru/wp-content/plugins/w3-total-cache/Cache_File.php(123): flock(Resource id #440, 3) #1 /sites/12alliance.ru/wp-content/plugins/w3-total-cache/PgCache_ContentGrabber.php(2157): W3TC\Cache_File->set('6004b9bd9cdbcfd...', Array, 84600, '') #2 /sites/12alliance.ru/wp-content/plugins/w3-total-cache/PgCache_ContentGrabber.php(443): W3TC\PgCache_ContentGrabber->_maybe_save_cached_result('<!DOCTYPE html>...', Array, false) #3 [internal function]: W3TC\PgCache_ContentGrabber->ob_callback('<!DOCTYPE html>...') #4 /sites/12alliance.ru/wp-content/plugins/w3-total-cache/Util_Bus.php(21): call_user_func(Array, '<!DOCTYPE html>...') #5 /sites/12alliance.ru/wp-content/plugins/w3-total-cache/Generic_Plugin.php(532): W3TC\Util_Bus::do_ob_callbacks(Array, '<!DOCTYPE html>...') #6 [internal function]: W3TC\Generic_Plugin->ob_callback('<!DOCTYPE html>...', 9) #7 /sites/12alliance.ru/wp-includes/functions.php(5107): ob_end_flush() #8 /sites/12alliance.ru/wp-includes/class-wp-hook.php(303): wp_ob_end_flush_all('') #9 /sites/12alliance.ru/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters('', Array) #10 /sites/12alliance.ru/wp-includes/plugin.php(470): WP_Hook->do_action(Array) #11 /sites/12alliance.ru/wp-includes/load.php(1097): do_action('shutdown') #12 [internal function]: shutdown_action_hook() #13 {main} thrown in /sites/12alliance.ru/wp-content/plugins/w3-total-cache/Cache_File.php on line 123