Normally it means the bot can not trade because it thinks there are still open orders. I know this message is displayed by default and that is wrong, but using the update i just send out this problem is solved. Once you activate the bot the open order signals will be reset. So you should have no problems with trading. The "open order" message is now still displayed if the bot is not active, this is something which will solve on the next update. For now it does not matter because its only displayed if the bot is inactive.

BTW
During normal trading the message can be visible too, it can be visible if the bot just submitted a trade command. The order is placed at the exchange and it will be tracked until its filled. If is does not get filled then the order cancels and the bot will remain at it current coin position. If the trade signal is still there then the bot will try to to trade again and repeat the entire process again.