Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/7d7d6319-84a8-4578-a304-7350780d34df/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-00be1cec-0530-403d-bf45-2951dbd9394b",
      "cw-1122f5e6-9bc9-4e2e-bceb-f2f4aa51bca5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-66d8f24f-7d49-443f-bb5e-4db4209eea47",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/7d7d6319-84a8-4578-a304-7350780d34df/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1122f5e6-9bc9-4e2e-bceb-f2f4aa51bca5",
    "thumbnailNavigationPosition": "far-bottom"
  }
}