SPIRIT WEAPON SWAP BUG

Idk how this bug is still in the game its so annoying. It makes ur lvl 20 spirit gem unsuable its seems to be happing to my cast on crit out of all gems.. BUT ive tried mant things it either works with one weeapon set an not the other even if you have the spirit.. PLZ FIX IT GETS EXPENSIVE MAKING COURRUPTED LVL @) SPIRITS GEMS