Quote Originally Posted by Aidoru View Post
It's most likely cause you have a party participating in the union battle. Until the fight they participated in is finished, you will be unable to edit them. You can still use them or change party. If no one ends up helping you clear it, you're stuck until the daily union event reset at the end of the day.
Already checked that - at 0BP tried every listing raid in the union event and it didn't let me join any of them (if I was already in the fight I wouldn't need BP to rejoin). Like I said I can swap kamihime/weapons/eidolons with every party formation but 1 which doesn't make sense to me.