I just had to dump 8 ounces of my breast milk 😩 I had it in the insulated part of my diaper bag…

I just had to dump 8 ounces of my breast milk 😩 I had it in the insulated part of my diaper bag yesterday because my baby didn't eat it and i forgot about putting it back in the freezer at night and in the morning i remembered it was in there and by that time it was defrosted and bad 😭😭