Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/ncdcr/iiif/2cf9fb94-8324-4f99-9b99-1b99a5522316/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-787f9bee-80e9-406d-8eda-7c41b9f32928",
      "cw-428c8347-8569-45a3-aa80-1fe880e5be3f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f3703e34-ab63-4f83-8b0a-f189c7d0377b",
    "manifestId": "https://iiif.quartexcollections.com/ncdcr/iiif/2cf9fb94-8324-4f99-9b99-1b99a5522316/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-428c8347-8569-45a3-aa80-1fe880e5be3f",
    "thumbnailNavigationPosition": "far-bottom"
  }
}