Title: Fatal error
Last modified: June 26, 2018

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# Fatal error

 *  Resolved [slashtio](https://wordpress.org/support/users/slashtio/)
 * (@slashtio)
 * [7 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-2949/)
 * Fatal error: Uncaught Error: Call to a member function get_default_language()
   on null in /home/vhosts/www.menorprecogeek.tk/wp-content/plugins/woocommerce-
   multilingual/inc/class-wcml-install.php:279 Stack trace: #0 /home/vhosts/www.
   menorprecogeek.tk/wp-content/plugins/woocommerce-multilingual/inc/class-wcml-
   upgrade.php(670): WCML_Install::insert_default_categories() #1 /home/vhosts/www.
   menorprecogeek.tk/wp-content/plugins/woocommerce-multilingual/inc/class-wcml-
   upgrade.php(113): WCML_Upgrade->upgrade_4_2_11() #2 /home/vhosts/www.menorprecogeek.
   tk/wp-includes/class-wp-hook.php(286): WCML_Upgrade->run(”) #3 /home/vhosts/www.
   menorprecogeek.tk/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(
   NULL, Array) #4 /home/vhosts/www.menorprecogeek.tk/wp-includes/plugin.php(453):
   WP_Hook->do_action(Array) #5 /home/vhosts/www.menorprecogeek.tk/wp-settings.php(
   450): do_action(‘init’) #6 /home/vhosts/www.menorprecogeek.tk/wp-config.php(98):
   require_once(‘/home/vhosts/ww…’) #7 /home/vhosts/www.menorprecogeek.tk/wp-load.
   php(37) in /home/vhosts/www.menorprecogeek.tk/wp-content/plugins/woocommerce-
   multilingual/inc/class-wcml-install.php on line 279
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Ffatal-error-2949%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 3 replies - 1 through 3 (of 3 total)

 *  [George Botsev](https://wordpress.org/support/users/botzev/)
 * (@botzev)
 * [7 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-2949/#post-10435178)
 * Hello and thank you for contacting us.
    That error is caused by WPML core plugin
   not being active or WPML not being setup at the time when WooCommerce Multilingual
   is being activated. We are going to fix it in the next release. If you wish a
   quick workaround, you can go to your options table and check the key: “_wcml_version”
   and set it to “4.3.1” and this should resolve the immediate issue.
 *  Thread Starter [slashtio](https://wordpress.org/support/users/slashtio/)
 * (@slashtio)
 * [7 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-2949/#post-10453134)
 * Where do I find this key? _wcml_version
    -  This reply was modified 7 years, 10 months ago by [slashtio](https://wordpress.org/support/users/slashtio/).
 *  [George Botsev](https://wordpress.org/support/users/botzev/)
 * (@botzev)
 * [7 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-2949/#post-10453515)
 * @@slashtio the key _wcml_version is a key in the wp_options table. (wp_ is a 
   prefix defined in your wp-config.php file and may be different)

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Fatal error’ is closed to new replies.

 * ![](https://ps.w.org/woocommerce-multilingual/assets/icon-256x256.png?rev=2937122)
 * [WPML Multilingual & Multicurrency for WooCommerce](https://wordpress.org/plugins/woocommerce-multilingual/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/woocommerce-multilingual/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/woocommerce-multilingual/)
 * [Active Topics](https://wordpress.org/support/plugin/woocommerce-multilingual/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/woocommerce-multilingual/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/woocommerce-multilingual/reviews/)

## Tags

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

 * 3 replies
 * 2 participants
 * Last reply from: [George Botsev](https://wordpress.org/support/users/botzev/)
 * Last activity: [7 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-2949/#post-10453515)
 * Status: resolved