Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/desplaines/iiif/69707d50-e8c6-44e3-9242-6529522ec504/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f84901d5-f4fa-4a37-814d-0fce3b869f9b",
      "cw-61936e2b-7020-4d40-8a87-586d83ccaa6d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fae0a2e5-22d9-467d-8d12-54ba02658044",
    "manifestId": "https://iiif.quartexcollections.com/desplaines/iiif/69707d50-e8c6-44e3-9242-6529522ec504/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-61936e2b-7020-4d40-8a87-586d83ccaa6d",
    "thumbnailNavigationPosition": "far-bottom"
  }
}