WTH!!! My General Is Travelling To Another Zone!?!?!?!?

I was just transferring my general to G2, in SFTR and suddenly in d middle, it said ur general is travelling to another location! and he moved like a rocket for 1 sec and then i closed d window and i actually saved him from getting back to main island.... phew... but what d hell was it?

I saw this message recently and was also alarmed, but realised that it was the other player I was sharing the adventure with who had sent his general home. Could this be what happened in your adventure too?