iPhone 6 touch ID Unable to setup ERROR

1. Go to Settings > Touch ID & Passcode > Enter your Passcode. Then turn off iTunes & App Store. Reboot your iPhone or iPad. Go back to Touch ID & Passcode in Settings and turn iTunes & App Store back on. Tap on Add a Fingerprint to add another fingerprint.

2. Remove and re-add fingerprints: Settings > Touch ID & Passcode > Enter the passcode of your device > Scroll down to find fingerprints. Tap on the fingerprint, which you want to delete and then Tap on Delete.

3. During the registration process, make sure your finger surface gets scanned and try different angle.

4. If your finger is sweat or there is liquid on your iPhone, you need to wipe both your finger and your home button.

5. Force Restart your iPhone or iPad: Hold down the Home and Wake/Sleep buttons at the same time for about 15-20 seconds until the Apple logo appears.

6. If a restart does not help try a Restore. First using iTunes. Then connect your iDevice to computer and launch iTunes to restore your iPhone.

What error do you get? A message? Something? What happens exactly? Could you post a screenshot?

It is never a good idea to ask a technical question by just saying "it doesn't work".

Have you also tried the restart as suggested?