Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/statelibrarypa/iiif/87d10c08-c86a-4ebd-9833-2f232f801031/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d23f1249-bc96-4089-a37b-6e34ab30c23d",
      "cw-1ebc0816-8eb2-46e7-8e90-fdbe52ba28e5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-0395e894-6f15-4aaf-880d-0f35c5f8ceff",
    "manifestId": "https://iiif.quartexcollections.com/statelibrarypa/iiif/87d10c08-c86a-4ebd-9833-2f232f801031/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1ebc0816-8eb2-46e7-8e90-fdbe52ba28e5",
    "thumbnailNavigationPosition": "far-bottom"
  }
}