Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/5cbdb9a1-6070-44dd-b206-7f1ca8fe9e17/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8884ebee-4f92-4eb8-9106-0209956f1708",
      "cw-57bdf3e5-57a2-4c3c-b7a7-c74084a68c62"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f87817fd-4856-49eb-9a5c-0af112ea4254",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/5cbdb9a1-6070-44dd-b206-7f1ca8fe9e17/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-57bdf3e5-57a2-4c3c-b7a7-c74084a68c62",
    "thumbnailNavigationPosition": "far-bottom"
  }
}