i own nexus 5 lolipop (5.1.1) build: LMY48M with nethunter 3.0.
i would like to upgrade my device to marshmallow (6.0.1) with nethunter 3.0

i have tried from the device to download the update but when iam trying to install i got an error in the TWRP saying " updater process ended with error=7 "

i would like if some can help me with that issue ...