Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/statelibrarypa/iiif/3f5ed8d7-d10d-435c-9c1f-e360e0ac1ea5/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-387561b1-9c54-4170-b369-78857866d3ff",
      "cw-ebee1ece-b607-4957-992b-2d88948c36b1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e18b2e20-3575-41b0-9954-daa005a9b1ed",
    "manifestId": "https://iiif.quartexcollections.com/statelibrarypa/iiif/3f5ed8d7-d10d-435c-9c1f-e360e0ac1ea5/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ebee1ece-b607-4957-992b-2d88948c36b1",
    "thumbnailNavigationPosition": "far-bottom"
  }
}