Don't have any additional info at this time, but it's on the same character (WTSnacks) that crashed after upping SP after leveling up in RJPQ and attempting to allocate in the victory room. My brawler can allocate SP it seems, for some reason. Snacks still can't, even outside of PQ
Interestingly, on this character the crash is locked to CC1 when speaking to the item seller. CC2 works fine. SP allocation still breaks on CC2 though.