on the galaxy gt-i9000, froyo 2.2. I update gingerbread 2.3.6 and then root the phone with odin. Then I update with cyanogenmod 12 with recovery TWRP but I have the message error mounting data argument invalid. it is impossible to install a custom rom, I always have the message error mounting data invalid argument; the phone reboot but fail. how to fix the problème with odin . thank you.