AMS suddenly stopped working? Won't even read RFID code?

So I’ve been using the printer for a year with no real issues with AMS apart from a couple of blockages caused by snapped filament etc. I even just ordered a second one last week (which is on back order) so I can do 8 colours. Well I got a surprise tonight when I tried to start a basic print which popped up with an error message telling me to try removing the spool and replacing. I did this and the same message popped up. Turns out the AMS is no longer reading the RFID off genuine spools and refuses to print. Is this a known issue? Not sure what’s going on tbh. I’ve tried turning off and on etc and still the same issue.

Did a 4 hour print on it yesterday. Literally nothing changed since and now this message coming up no matter what 4 spools I try and use

Okay ignore everything, just took the hub apart and there was broken filament in it! All is well. Nothing to see here.

P.S I hope this error 07FF 8003 helps someone else

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