Headless Shopify and player

Hi
Has anyone had success using Hydrogen (headless Shopify) and the bitmovin player?

We get this error:

FetchError [ERR_NO_HANDLER]: No fetch handler defined and no upstream to proxy to specified.
Make sure you’re exporting a default object containing a fetch function property.
at EventTarget.[kDispatchFetch] (/Users/joelgraham/Developer/websites/pause-hydrogen/node_modules/@miniflare/core/src/standards/event.ts:431:15)
at runMicrotasks ()
at processTicksAndRejections (node:internal/process/task_queues:96:5)

If I restart the hydrogen app I get:

TypeError: Cannot read properties of undefined (reading ‘now’)
at /pause-hydrogen/node_modules/bitmovin-player/bitmovinplayer.js:11:813133
at Array.every ()
at /pause-hydrogen/node_modules/bitmovin-player/bitmovinplayer.js:11:813092