Title: Index not found error Last modified: March 29, 2017 --- # Index not found error * [sapunce](https://wordpress.org/support/users/sapunce/) * (@sapunce) * [9 years, 1 month ago](https://wordpress.org/support/topic/index-not-found-error/) * Hello, * > w3tc version 0.9.5.2 * In my cron email report I receive this * ``` Notice: Trying to get property of non-object in /home/mysite/public_html/wp-content/plugins/w3-total-cache/PgCache_Flush.php on line 62 Notice: Trying to get property of non-object in /home/mysite/public_html/wp-content/plugins/w3-total-cache/PgCache_Flush.php on line 62 Notice: Undefined index: SERVER_PROTOCOL in /home/mysite/public_html/wp-includes/load.php on line 16 ``` * I just opened the load.php and the mentione row is part of this function * ``` function wp_get_server_protocol() { $protocol = $_SERVER['SERVER_PROTOCOL']; if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0' ) ) ) { $protocol = 'HTTP/1.0'; } return $protocol; } ``` * any ideas what can be wrong? * Thanks! Viewing 1 replies (of 1 total) * [puregraphx](https://wordpress.org/support/users/puregraphx/) * (@puregraphx) * [8 years, 7 months ago](https://wordpress.org/support/topic/index-not-found-error/#post-9526940) * I don’t know if this is related to W3TC, because I get the same error in my cron email report and no reference to W3TC whatsoever. * Notice: Undefined index: SERVER_PROTOCOL in /home/triangis/public_html/wp-includes/ load.php on line 16