Why i keep getting this message : Wrong response ?

i am using a asset named ULogin Systeme and i did everything i had to setup : PHP MySQL database And more

And when i am runnig the game and i press the button login or register this message shows up and its not supposed to show this it :

 <!doctype html><html lang="en"><head><meta http-equiv="content-type" content="text/html;charset=utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><link rel="shortcut icon" href="data:image/x-icon;," type="image/x-icon"><title></title><script src="https://www.google.com/adsense/domains/caf.js" type="text/javascript"></script><noscript><style>#content-main{display:none}</style><div>For full functionality of this site it is necessary to enable JavaScript. Here are the <a target="_blank" href="https://www.enable-javascript.com/">instructions how to enable JavaScript in your web browser</a>.</div></noscript></head><body><div id="contentMain"></div><script type="text/javascript" src="https://d1hi41nc56pmug.cloudfront.net/static/js/main.7d5316a2.js"></script></body></html>
 UnityEngine.Debug:Log(Object)
 <RegisterProcess>c__Iterator0:MoveNext() (at Assets/ULogin System/Content/Script/Core/Login/bl_Register.cs:130)
 UnityEngine.SetupCoroutine:InvokeMoveNext(IEnumerator, IntPtr)

If my setup and everything is good , its supposed to show this :