Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/desplaines/iiif/c7487d1b-a8e9-42de-a9a7-d51f7bb1e367/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2d36d915-6743-48f3-ac99-474708fd21c0",
      "cw-c5cd10d2-3e99-44a0-a56e-50279bcef265"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e8266739-6234-447a-b996-89bbedf486d6",
    "manifestId": "https://iiif.quartexcollections.com/desplaines/iiif/c7487d1b-a8e9-42de-a9a7-d51f7bb1e367/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c5cd10d2-3e99-44a0-a56e-50279bcef265",
    "thumbnailNavigationPosition": "far-bottom"
  }
}