Title: Facebook share button error Last modified: August 31, 2016 --- # Facebook share button error * Resolved [bluerobin35](https://wordpress.org/support/users/bluerobin35/) * (@bluerobin35) * [10 years, 2 months ago](https://wordpress.org/support/topic/facebook-share-button-error-1/) * My facebook share button stopped functioning when I wrote a post last week and is still not working today after I published a new post. It was working fine up until now. * The error message i am getting is “app not set up – app in development mode” * I did not have a developers app, but tried to set one up to see if it would fix the problem, but I really don’t know what I am doing as far as that is concerned. Not sure if I made the problem worse or not… * This is my site: [http://oldsinglebitterdrunk.com/](http://oldsinglebitterdrunk.com/) * Please advise Viewing 4 replies - 1 through 4 (of 4 total) * [Gorakh Shrestha](https://wordpress.org/support/users/gorakhsth/) * (@gorakhsth) * [10 years, 2 months ago](https://wordpress.org/support/topic/facebook-share-button-error-1/#post-6980817) * 1. Replace your code with below one. App that your website using must be deleted from facebook by developer. [http://prntscr.com/9u1sp8](http://prntscr.com/9u1sp8) *

* Thread Starter [bluerobin35](https://wordpress.org/support/users/bluerobin35/) * (@bluerobin35) * [10 years, 2 months ago](https://wordpress.org/support/topic/facebook-share-button-error-1/#post-6980924) * I went ahead and deleted the app on facebook developer. * Where do I add that code?? I initially paid someone to set up the back end for me since I have no clue about coding… * [Gorakh Shrestha](https://wordpress.org/support/users/gorakhsth/) * (@gorakhsth) * [10 years, 2 months ago](https://wordpress.org/support/topic/facebook-share-button-error-1/#post-6981082) * just after opening the