kmiller6116 The exact same thing happened to me a few days ago.I left the SLR site,switched off the Quest2,waited for a couple of minutes,switched back on,started the DeoVR app,log into SLR site and thankfully,it worked again.This has been happening a few times since and switching the Quest2 off and on has been working for me so far.Hope it helps.
Note: This is the problem with videos not loading and not picture freezing or lagging while playing.