I have heard this has gone on and for some it cannot be avoided…
BUT
Tell your players not to worry and to contact the CS team at the particular casino and if they are clued up (like ours) they will sort out that player with limited disruption. You must stress to the player that casinos are under pressure to get this sorted and understand that if they have been blocked and they are not in a banned state (namely Kentucky) they have nothing to worry about and a simple call or email to our CS team will sort it.
As Renee said MG are taking care of this for most if not all casinos so hang in there and it’ll get cleared up pretty sharpish!