Loading a 1.7.4 world in the newest snapshot will break all existing item frames.or place it on another angle (example: places the item frame on the other side of the block)
Sorry I posted this more than once. It gave me an error the first time but it worked 😞
Duplicate of MC-45826 - If you have not, please use the search function in the future, to see if your bug has already been submitted. If you could not find the original report, please comment with the keywords you searched for.