Home › Forums › Support › How to activate license in localhost? This topic has 3 replies, 2 voices, and was last updated 7 years, 11 months ago by Tom. Viewing 4 posts - 1 through 4 (of 4 total) Author Posts April 19, 2016 at 6:47 pm #188022 Jean-Claude “Fatal error: Call to undefined function add_action() in C:\xampp\htdocs\fr\wp-content\plugins\gp-premium\inc\activation.php on line 6” Also how to edit this text from the footer – “Copyright © 2016 · GeneratePress” April 19, 2016 at 10:35 pm #188049 TomLead Developer Lead Developer add_action is a core WordPress function, so if that function is undefined it means your WordPress installation is broken. Try re-installing WordPress/re-uploading all of the WordPress files to your host. For the copyright, this should help: https://generatepress.com/knowledgebase/changing-the-copyright/ April 20, 2016 at 4:55 pm #188218 Jean-Claude Thank you Tom. I did not notice earlier. Activation can be done from Appearance -> GeneratePress April 20, 2016 at 11:44 pm #188245 TomLead Developer Lead Developer Glad you got it sorted 🙂 Author Posts Viewing 4 posts - 1 through 4 (of 4 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In