Recap: I destroyed my old barns and coop, and built 2 new barns and 1 coop - and upgraded them to max.
Today when trying to add animals to them:
Coop - i could add 8 animals without problems
Left Barn - i could only add 4 animals
Right Barn - i added 8 animals
When trying again to see if i could add more animals, i notised i couldnt add to the left barn - but the rigth barn showed green even tho it should be full. I added 1 more animal. (so 9 in right barn), and when checking right barn still showed green so able to add more animals then 9.
Ran back home to check. Left barn had 4 animals, right barn had 8 animals.
Relogged fast so nothing was saved.
(My guess is that i would see same problems if i had 2 coops to.)
EDIT: From placement of my new barns i know the right barn is the the first barn ordered. (both ordered in same day)
EDIT 2: Looking at picture its not easy to see all the different animal-slots for each barn. Maybe make them show in 2 rows of 4, instead of all 8 in one?
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Then i tryed out the moving bug that was present with old barns. Sold all animals - moved the barns. Could add animals to both. Added 1 animals to both barns - moved them again then tryed to buy more animals. I could still buy animals. So this part of the barn problems is fixed it seems.