Title: Fatal Error – WooCommerce
Last modified: August 21, 2016

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# Fatal Error – WooCommerce

 *  [makerofdesigns](https://wordpress.org/support/users/makerofdesigns/)
 * (@makerofdesigns)
 * [12 years, 5 months ago](https://wordpress.org/support/topic/fatal-error-woocommerce/)
 * Hi,
 * I’m more so of a designer when it comes to WordPress so would be very grateful
   to those of you that can help me with this technical aspect.
 * I’m using WooCommerce for this site [Journeyman MMA](http://www.journeyman-mma.com)
   and all of sudden two days ago I keep getting this error below when I try to 
   make changes to the backend. It won’t even let me edit pages, let alone uninstall/
   reinstall plugins. Can anyone help?
 * Error Message:
    Fatal error: Call to undefined method CSSMin::minify() in /hermes/
   bosoraweb020/b234/dom.journeymanmmacom1/public_html/journeyman/wp-content/plugins/
   woocommerce/includes/admin/wc-admin-functions.php on line 187
 * [https://wordpress.org/plugins/woocommerce/](https://wordpress.org/plugins/woocommerce/)

Viewing 5 replies - 1 through 5 (of 5 total)

 *  Plugin Contributor [Mike Jolley](https://wordpress.org/support/users/mikejolley/)
 * (@mikejolley)
 * [12 years, 5 months ago](https://wordpress.org/support/topic/fatal-error-woocommerce/#post-4614254)
 * Can you check the file exists: woocommerce/includes/libraries/class-cssmin.php
   Looks like your install may be incomplete.
 *  [Eelcomp](https://wordpress.org/support/users/eelcomp/)
 * (@eelcomp)
 * [12 years, 5 months ago](https://wordpress.org/support/topic/fatal-error-woocommerce/#post-4614296)
 * Update to the latest version crashed my site. Had to go back to the previous 
   version.
 *  [chelsea bird](https://wordpress.org/support/users/chelsea-bird/)
 * (@chelsea-bird)
 * [12 years, 4 months ago](https://wordpress.org/support/topic/fatal-error-woocommerce/#post-4614607)
 * How do you go back to the previous version?
 * I’m getting the same fatal error, even though I uploaded the new version of woo
   commerce via ftp.
 *  [chelsea bird](https://wordpress.org/support/users/chelsea-bird/)
 * (@chelsea-bird)
 * [12 years, 4 months ago](https://wordpress.org/support/topic/fatal-error-woocommerce/#post-4614608)
 * here is the exact error message:
 * Fatal error: Call to undefined method CSSMin::minify() in /home/chelseabirdhoard/
   chelseabird.com/wp-content/plugins/woocommerce/includes/admin/wc-admin-functions.
   php on line 186
 * I am very new to WordPress. I would really appreciate some help. Thank you!
 *  [Eelcomp](https://wordpress.org/support/users/eelcomp/)
 * (@eelcomp)
 * [12 years, 4 months ago](https://wordpress.org/support/topic/fatal-error-woocommerce/#post-4614609)
 * I took an older version of the plugin I had in a back-up. I deactivated all plugins,
   via FTP I deleted the newer version of Woocommerce, uploaded the 2.0.20 verion
   and activated it. It worked fine, also after activating the other plugins. But
   updating to the newer version gave the same problem. Still have to figure it 
   out ….

Viewing 5 replies - 1 through 5 (of 5 total)

The topic ‘Fatal Error – WooCommerce’ is closed to new replies.

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## Tags

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

 * 5 replies
 * 4 participants
 * Last reply from: [Eelcomp](https://wordpress.org/support/users/eelcomp/)
 * Last activity: [12 years, 4 months ago](https://wordpress.org/support/topic/fatal-error-woocommerce/#post-4614609)
 * Status: not resolved