Enemies appear INSIDE my walls on replay?
I am baffled (and annoyed!) by a few of my defense losses recently. When I review the replay, the enemies troops just suddenly appear INSIDE my walls, right from the beginning. This morning, it was Giants, who do not have the ability to hop over walls (that i know of?!). No damage to my walls is seen and I don't see that the jump spell has been used under the list of "troops expended".
What the heck is going on? Do I somehow have a slim opening in my walls that I'm not seeing? Or is it some sort of bug where they are using the jump spell but it's not showing up under the list of troops they used?
Thanks for any insight!
-Lisa