Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/desplaines/iiif/f350c713-4f2d-46e2-8a72-a33a1625bcdb/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-059e13a0-6816-4a79-86ec-f88ead8f4a30",
      "cw-9ab0f622-0664-4f85-9731-b387d30c3a3f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a8ed9133-f120-4324-ab4c-be5c9718855e",
    "manifestId": "https://iiif.quartexcollections.com/desplaines/iiif/f350c713-4f2d-46e2-8a72-a33a1625bcdb/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9ab0f622-0664-4f85-9731-b387d30c3a3f",
    "thumbnailNavigationPosition": "far-bottom"
  }
}