The error is:
see also:
NullReferenceException: Object reference not set to an instance of an object
Unity’s latest Facebook build target finally available as a Developer Beta Mode
SUCCEEDED(hr)
rc.right == m_GfxWindow->GetWidth() && rc.bottom == m_GfxWindow->GetHeight()
it works in most cases, but not all time.
Solutions From different users:I found that closing and re-opening unity fixed the error (or at least stopped it from showing up in the footer).
I re-started Unity and the message is gone.
I tried run unity as admin and the problem is solved
I had the same problem. I was using two screen and it was solved when I turned off one of them.
see also:
NullReferenceException: Object reference not set to an instance of an object
Unity’s latest Facebook build target finally available as a Developer Beta Mode