It is a long standing bug that has proved difficult to track down. It isn't consistent and doesn't happen in a repeatable manner which makes it difficult to track down the cause. There have been improvements towards remedying it, but it hasn't gone away entirely.If it happens to you, please try and grab a console log and send it into Kix with a support ticket.To grab the console log:control + shift + i
opens a menuMake sure you are on the console tab, right click somewhere in the text on that tab and "save as"There are a couple things you can try to get loaded into the battle as well. Your results may vary.Going to your base and clicking the join button from the dock.Refreshing.Closing the browser and reloading.