That is strange I have heard a few other of my friends were having the same issue as you.
I looked it up and this is what I found so far as a solution you could try. I am not sure why people keep getting that issue.
"I fixed it by logging out of the pager, then rebooting my computer. Then...
My friend and I are working on a game called Naruto clash of ninja storms. It's a fun little 2d naruto mmo that we are working to make into a popular game on Byond but we need a player base.
you can work you way up from academy student all the way up to kage of your village
you can do fun...