Some internal links not working on local copy of the website

### Current Behavior

The links to the demo etc on this page don't work for me http://localhost:8080/handbook/sales

The links work for @joepavitt on his local version.

Video of the problem - https://d.pr/v/sTRada

### Expected Behavior

The links should take me to the same path on local as production.

### Steps To Reproduce

Install the website local build, run the server, go to the URL, click demo.

### Environment

- Date:
- Platform/OS: latest mac
- Browser: latest chrome

### Have you provided an initial effort estimate for this issue?

I have provided an initial effort estimate