HelloWorld example (sbt new sbt/scala-seed.g8) not working

Question

After having installed sbt version 0.13.13 (with brew) on Mac 10.12.2 with scala 2.12.0, I tried the first example on the documentation (as per subject sbt new sbt/sca

Answer 1

I would like to share my experience:

I wanted to run sbt new scalatra/scalatra.g8 and was facing error

"git@github.com:scalatra/scalatra.g8.git: invalid privatekey: [...."

How fixed it ?

mkdir temp 
cd temp
git clone https://github.com/foundweekends/giter8.g8
g8 file://giter8.g8

Now it's working and printing

Creates a Giter8 project template. 

name [My Template Project]:

Hopefully it will save someone's time.