Board Thread:Plants vs. Zombies 2: It's About Time/@comment-24508466-20150102222023/@comment-25660457-20150105133854

AH HA! I think I know the problem. Your game did not found the obb data file. Try getting it from somewhere else, an older version of obb will still work as it will update it. ( I think that Google Play somehow malfunctioned, sending you the apk without an obb.)