I get the same with my Bell landline which is on fibre optic Internet line. This has nothing to do with Public Mobile, the world is on overload right now!Relax sit back...
Promos come and go, you never know when or what they will be.I do not think you can reuse an activated sim, best would be to ask Simon and talk to a moderator.Ypou would have to create a new activation , new email and so on