Uncaught TypeError: Cannot read property 'top' of undefined while tray to click send button : I apologize if this question has already been answered. I've tried  to search for solutions but could not find any that suited my code. I'm still new to jQuery.

I have many different of castigators on my website 
while trying to add new ad post [here is the link][1]

All other category work fine, Except: Category: Job » IT / telecom / computers
when i tray to send i get an error:

[Google chrome console log][2]

Can someone tell me whats wrong?


  [1]: https://yala.xyz/add/
  [2]: https://i.stack.imgur.com/bLivu.png