Title: (Plugin: WP W3 Total Cache-Fatal error
Last modified: August 20, 2016

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# (Plugin: WP W3 Total Cache-Fatal error

 *  [rayk4082](https://wordpress.org/support/users/rayk4082/)
 * (@rayk4082)
 * [14 years, 2 months ago](https://wordpress.org/support/topic/plugin-wp-w3-total-cache-fatal-error/)
 * After loading W3 Total Cache plugin and activating I received the
    following:“
   Fatal Error: Call to undefined method std Class::set_prefix() in/home/content/
   97/7447897/html/wp-includes/load.php on line 337”
 * Any ideas?
 * Thanks

The topic ‘(Plugin: WP W3 Total Cache-Fatal error’ is closed to new replies.

## Tags

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

 * 0 replies
 * 1 participant
 * Last reply from: [rayk4082](https://wordpress.org/support/users/rayk4082/)
 * Last activity: [14 years, 2 months ago](https://wordpress.org/support/topic/plugin-wp-w3-total-cache-fatal-error/)
 * Status: not resolved

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