Gunpowder - Unable to move out of area

I am stuck in the adventure Gunpowder because one of the leader camps is located too close to mountains and I can' get a path to attack it.

Du to this I am also unable to relocate to any other area on the map.

I have attached an image showing that there is no attack option for this camp.

This bug has been reported and the fix should be live in one of the following versions (pretty sure it won't be the one we are getting tomorrow morning unfortunately).