Frozen Hexapro table while other games working

I tried to open 7-8 hexa tables, 7 opened and I was able to play, only one was frozen (see the image below). I couldn't click on anything in that window, but I could hear a sound from the chips moving. 

I tried later to identify the game in HH. I found a possible hand from that game, but since it was a large volume in a short period of time, I can't be 100% sure. I recommend checking the logs.

Internet connection when issue occured: mobile hotspot