I just had this problem as well. simply making sure i had all the DLC fixed it.
thats
XBC2 DLC Brand New Story
XBC2 DLC Helpful Items Pack
XBC2 DLC JPN Lang Pack
XBC2 DLC New Challenge Mode
XBC2 DLC New Quests
XBC2 DLC New Rare Blade
XBC2 UPD 2.0.2
and your save should work afterwards
thats
XBC2 DLC Brand New Story
XBC2 DLC Helpful Items Pack
XBC2 DLC JPN Lang Pack
XBC2 DLC New Challenge Mode
XBC2 DLC New Quests
XBC2 DLC New Rare Blade
XBC2 UPD 2.0.2
and your save should work afterwards