Title: ERROR: BrowserCache.php on line 191
Last modified: August 30, 2016

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# ERROR: BrowserCache.php on line 191

 *  [DFC005](https://wordpress.org/support/users/dfc005/)
 * (@dfc005)
 * [10 years, 10 months ago](https://wordpress.org/support/topic/error-browsercachephp-on-line-191/)
 * My error log is being filled with 1,000s of the following…
 *     ```
       [Tue Jun 23 23:06:39.840863 2015] [:error] [pid 1589] [client 101.169.170.145:38608] PHP Warning:  preg_match(): Compilation failed: nothing to repeat at offset 0 in /var/www/zerotackle.com/public_html/wp-content/plugins/w3-total-cache/lib/W3/Plugin/BrowserCache.php on line 191
       [Tue Jun 23 23:06:39.840895 2015] [:error] [pid 1589] [client 101.169.170.145:38608] PHP Warning:  preg_match(): Compilation failed: nothing to repeat at offset 0 in /var/www/zerotackle.com/public_html/wp-content/plugins/w3-total-cache/lib/W3/Plugin/BrowserCache.php on line 191
       [Tue Jun 23 23:06:39.840907 2015] [:error] [pid 1589] [client 101.169.170.145:38608] PHP Warning:  preg_match(): Compilation failed: nothing to repeat at offset 0 in /var/www/zerotackle.com/public_html/wp-content/plugins/w3-total-cache/lib/W3/Plugin/BrowserCache.php on line 191
       [Tue Jun 23 23:06:39.840992 2015] [:error] [pid 1589] [client 101.169.170.145:38608] PHP Warning:  preg_match(): Compilation failed: nothing to repeat at offset 0 in /var/www/zerotackle.com/public_html/wp-content/plugins/w3-total-cache/lib/W3/Plugin/BrowserCache.php on line 191
       ```
   
 * Any idea what’s causing it and how I resolve it?
 * [https://wordpress.org/plugins/w3-total-cache/](https://wordpress.org/plugins/w3-total-cache/)

The topic ‘ERROR: BrowserCache.php on line 191’ is closed to new replies.

 * ![](https://ps.w.org/w3-total-cache/assets/icon-256x256.png?rev=1041806)
 * [W3 Total Cache](https://wordpress.org/plugins/w3-total-cache/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/w3-total-cache/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/w3-total-cache/)
 * [Active Topics](https://wordpress.org/support/plugin/w3-total-cache/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/w3-total-cache/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/w3-total-cache/reviews/)

## Tags

 * [cache](https://wordpress.org/support/topic-tag/cache/)

 * 0 replies
 * 1 participant
 * Last reply from: [DFC005](https://wordpress.org/support/users/dfc005/)
 * Last activity: [10 years, 10 months ago](https://wordpress.org/support/topic/error-browsercachephp-on-line-191/)
 * Status: not resolved