Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/desplaines/iiif/d486c50f-a223-4170-8299-3becae7a42ff/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6c6b78bd-c07b-4889-9ef3-9d02b3a5b84b",
      "cw-6063454c-e4f1-4f7f-8c29-fe203746f368"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fbaf79ca-0093-41e5-8329-f1f1ea106337",
    "manifestId": "https://iiif.quartexcollections.com/desplaines/iiif/d486c50f-a223-4170-8299-3becae7a42ff/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6063454c-e4f1-4f7f-8c29-fe203746f368",
    "thumbnailNavigationPosition": "far-bottom"
  }
}