When using the latest (3.7.5) version of CodeceptJS, an error is thrown whenever a gherkin scenario uses the But keyword.

I've created a small project to reproduce this issue.
https://github.com/mozillalives/demo-keyword-issue
When using the latest (3.7.5) version of CodeceptJS, an error is thrown whenever a gherkin scenario uses the
Butkeyword.I've created a small project to reproduce this issue.
https://github.com/mozillalives/demo-keyword-issue