I noticed a problem on a few occasions - when I send additional troops to a haven that I am collecting ransom, the haven gets removed from the list of havens and stops being ransomed. It is as if you clicked the little x in the top corner to remove the haven from being ransomed. This can be a pain if you don't collect any ransom before the troops arrive because you will lose out on any ransom accrued. Just a heads-up to the devs. Thanks.