you mean you can't redeem this game? sry for the trouble, i got this key from a bundle and i'm sure i didn't activate it or sent it to other friends before, so i'll requst the bundle help center to help this out, would u pls wait for some day? i'll try to figure this out, sry for the trouble again.

hi,the bundle help center has helped me to change the key. i've submit a request to add you as my friend , pls accept and i'll sent you the new key via steam chat