> You have to verify if ALL the files uploaded successfully.
> ReferenceError: ew_Language is not defined[Learn More] login.cshtml:50:6
Have you verified if ALL the files uploaded successfully and the correct path? Also, check the file "login.cshtml" in local machine and in Hosting to verify if it is the same.
Press F12 in your browser, check the Network tab and see if ewp12.js is loaded successfully by your browser.