Title: FIX : undefined function
Last modified: July 3, 2018

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# FIX : undefined function

 *  [lehezee](https://wordpress.org/support/users/lehezee/)
 * (@lehezee)
 * [7 years, 11 months ago](https://wordpress.org/support/topic/fix-undefined-function/)
 * I have an error you can easily fix :
    PHP Fatal error: Call to undefined function
   do_filter() in /var/www/vhosts/mysite/httpdocs/wp-content/plugins/wc-fields-factory/
   includes/wcff-builder.php on line 1413

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## Tags

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

 * 0 replies
 * 1 participant
 * Last reply from: [lehezee](https://wordpress.org/support/users/lehezee/)
 * Last activity: [7 years, 11 months ago](https://wordpress.org/support/topic/fix-undefined-function/)
 * Status: not a support question