Have you got qlike requirejs (which inludes a lot more than requirejs) included?? Do you configure requirejs baseUrl? You probably need to have the prefix set in your config, just a slash if you do not use virtual prox.
Erik Wetterberg https://extendingqlik.upper88.com/
In your mashup you need to include a file called require.js that includes not only the requirejs library, but also some other libraries and qlik modules you need. Normally this is made in the html file, something like this: