How to return the user to the page after logging in via Socialite?

Question

Laravel

From the post page where you can leave a comment, I go directly to auth/vkontakte
Auth\[email protected]
To write down the url, I do:

Session::flash('url',Request::server('HTTP_REFERER'));

After authorization, I do If I'm in the social. network is logged, it returns immediately to the post URL. If I do it from a clean browser, then it redirects to the social login page. network (in the same window), after entering the login / pass. Returns: (1/1) UnexpectedValueException The Response content must be a string or object implementing __toString(), "object" given. in Response.php line 388 Why is that?
return redirect(Session::get('url'));

Answer 1

Well, look further in the logs, where the error from your code comes from and what you give as an answer there and give what the framework asks you to - a string or an object that implements the string.