[mod]9 server error. [mod]9 please help

When I was playing with someone. 1 vs 1.
We made a room 1 vs 1. only. 14 PERSON OBSERVER AVAILABLE. in the room there was No observer. When we started playing. After 1 min. it said time something. But it was too fast for me to take screen shot. A box popped up. I think it was some thing like please rejoin. Due to host error. This happed to me 2 times. THEN I RANGE QUITED
Server:
UK SERVER 4 CHANNEL 7. ROOM 11.
this happened to me 2 times.