That helps. It's very hard/impossible to diagnose the problems with minimal information – the more the better.
This message could come from either a hardware or software problem. We have no reports of this as a software problem with the beta release so a hardware issue is more likely.
You don't say how many times this happened, so it may have been a glitch or a real problem. Try copying any saved presets you need to keep somewhere safe (FactorLib ?), and then doing a "Restore Factory Effects Presets and System Settings" as described on p.41 of the TF User Manual.
If you still get this problem, the unit needs to be looked at.