715-123195 Error - can't get help

I'm getting this error. By the looks of the rest of the forum there's some corrupted record for our account. I raised a ticket a week ago but there isn't a way to follow this up. Does anyone have a support number where I can reach Microsoft on this? If I use the online chat it just wants to raise another ticket, which seems a bit pointless.

I get that support for this stuff is light but anyone know how long I might need to wait?