I read my code again, I've got the same as you, ( exept for my wish to make two frame disappear ) and I really don't understand why , 1 disapear is good, ans 2 make alle my panels bug =/
EDIT : I don't have paste the write layout I re upload the right lua
EDIT 2 :
http://pastebin.com/kXdqsyxF but it's the same when "Minimap_location" and "Minimap_tracking" have the code when I enter in combat all my frames disapear