Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/desplaines/iiif/571ef8b8-7e70-456b-a4b3-b6b8e016a79a/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bb9db950-ef29-4e23-9323-88f56ef085f0",
      "cw-5052e542-5481-469a-a5fa-0fd8efba7a10"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-97171c31-ec7e-4b6d-a4fa-f45babb436cb",
    "manifestId": "https://iiif.quartexcollections.com/desplaines/iiif/571ef8b8-7e70-456b-a4b3-b6b8e016a79a/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5052e542-5481-469a-a5fa-0fd8efba7a10",
    "thumbnailNavigationPosition": "far-bottom"
  }
}