Mender OS Server Master Branch user auth not found


I tired 3.4 and it didn’t seem to work see. Setting up Mender OS Server 3.4 via load balance

So tired master setting up using the standard guide.
try to log in
I get the error
There was a problem logging in. Please check your email and password. If you still have problems, contact an administrator…
This is the error in the console
POST 404