So I got it to work but it is only after giving up completely on logic. So when installing the app the message is clearly asking for the username and password only not an email and password. To make my life easier I gave the same password to everything right so I wouldn't have to juggle passwords for a demo. So imagine my surprise when it kept saying the wrong username and password, so I finally said the heck with it and used my full email as my username and typed the password again, how about it worked and installed the app without any issues. So my only conclusion is this has to be worded wrong and is in fact asking for your email and password from the webpage sign-in and not the admin username and password which you would assume it is.
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