Auto Review stage fails with Error: UPGRADE FAILED: no release provided

Following guide

Getting started with Auto DevOps
(https://gitlab.com/help/topics/autodevops/quick_start_guide.md)

Review stage fails at

$ deploy
Error: UPGRADE FAILED: no release provided
ERROR: Job failed: exit code 1

Not sure what else to do

Worked out this was due to the branch containing a special character