Invalid response from staging Version API led to unhandled exception

Job #908681 failed for ee6fef7874ddd5b2ee04b246a4acc6cbb861348a:

 $ gitlab-qa $SCENARIO $RELEASE -- $TEST_OPTS $RSPEC_REPORT_OPTS
 /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/component/staging.rb:13:in `rescue in release': uninitialized constant Gitlab::QA::Support::InvalidResponseError (NameError)
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/component/staging.rb:11:in `release'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/scenario/test/instance/deployment_base.rb:14:in `perform'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/scenario/template.rb:8:in `block in perform'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/scenario/template.rb:6:in `tap'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/scenario/template.rb:6:in `perform'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/runner.rb:56:in `run'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/exe/gitlab-qa:8:in `<top (required)>'
 	from /usr/local/bundle/bin/gitlab-qa:23:in `load'
 	from /usr/local/bundle/bin/gitlab-qa:23:in `<main>'
 /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/support/get_request.rb:25:in `execute!': Invalid response received from https://staging.gitlab.com/api/v4/version (InvalidResponseError)
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/component/staging.rb:94:in `api_get!'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/component/staging.rb:88:in `version'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/component/staging.rb:80:in `official?'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/component/staging.rb:66:in `tag_end'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/component/staging.rb:53:in `tag_end'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/component/staging.rb:36:in `image'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/component/staging.rb:12:in `release'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/scenario/test/instance/deployment_base.rb:14:in `perform'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/scenario/template.rb:8:in `block in perform'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/scenario/template.rb:6:in `tap'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/scenario/template.rb:6:in `perform'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/lib/gitlab/qa/runner.rb:56:in `run'
 	from /usr/local/bundle/gems/gitlab-qa-4.19.2/exe/gitlab-qa:8:in `<top (required)>'
 	from /usr/local/bundle/bin/gitlab-qa:23:in `load'
 	from /usr/local/bundle/bin/gitlab-qa:23:in `<main>'