My game crashed and when I came back I could only equip one squad member instead of 3, but I still had the talents so I am stuck now permanently with only one squad member.
edit: I refreshed again and I can equip 3 again
So far I have had it crash after battles a few times, and crash after upgrading a sphere and clicking around right after. I get an undefined undefined error. I think it is related to clicking things at the wrong time but im not sure.