Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/ncdcr/iiif/6f01542d-6d38-4232-993d-79924038bdc4/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e5be6519-5697-4178-a6b2-d2ca37f95e80",
      "cw-f0516675-b88c-4046-b075-c6114dedd8b4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4bd0c189-be07-4df8-b7a2-63a670efe84a",
    "manifestId": "https://iiif.quartexcollections.com/ncdcr/iiif/6f01542d-6d38-4232-993d-79924038bdc4/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f0516675-b88c-4046-b075-c6114dedd8b4",
    "thumbnailNavigationPosition": "far-bottom"
  }
}