Title: Error
Last modified: September 9, 2019

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# Error

 *  [emporio3](https://wordpress.org/support/users/emporio3/)
 * (@emporio3)
 * [6 years, 9 months ago](https://wordpress.org/support/topic/error-1247/)
 * Hi, we receive this error:
    Fatal error: Uncaught Error: Call to a member function
   __isset() on null in /home/xxxx/public_html/xxxx.it/wp-content/plugins/wc-fields-
   factory/includes/wcff-injector.php:266 Stack trace: #0 /home/xxxx/public_html/
   xxxx.it/wp-content/plugins/wc-fields-factory/includes/wcff-injector.php(88): 
   Wcff_FieldsInjector->render_admin_fields() #1 //home/xxxx/public_html/xxxx.it/
   wp-content/plugins/wc-fields-factory/includes/wcff-product-fields.php(119): Wcff_FieldsInjector-
   >inject(‘woocommerce_bef…’) #2 /home/xxxx/public_html/xxxx.it/wp-includes/class-
   wp-hook.php(286): Wcff_ProductFields->fields_injector(”) #3 /home/xxxx/public_html/
   xxxx.it/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(”, Array) #
   4 /home/xxxx/public_html/xxxx.it/wp-includes/plugin.php(465): WP_Hook->do_action(
   Array) #5 /home/xxxx/public_html/xxxx.it/wp-content/plugins/woocommerce/templates/
   content-product.php(42): in /home/xxxx/public_html/xxxx.it/wp-content/plugins/
   wc-fields-factory/includes/wcff-injector.php on line 266

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 * 0 replies
 * 1 participant
 * Last reply from: [emporio3](https://wordpress.org/support/users/emporio3/)
 * Last activity: [6 years, 9 months ago](https://wordpress.org/support/topic/error-1247/)
 * Status: not resolved