Stuck in an area

[zdn1]

Okay, so bear with me here.

I took the hardline to one of the "medium" areas listed underneath the regular hardlines, but I appeared in this greenish-gray netherworld area with no hardline. Except it wasn't actually me who appeared, it was another player character. I could move his RSI, but he would also move by himself, suggesting we were both controlling the same client somehow. I then tried to /dance3, which made my own RSI appear, dancing, but I still couldn't move my own RSI otherwise. I quit the game, then logged back in, and reappeared as myself (the other guy was now gone), but I still can't escape the area. What do?