Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/statelibrarypa/iiif/50c9da0c-587a-4412-a153-ea72c3e15e39/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fc085389-6848-4a23-a32c-7957b4ecbbb2",
      "cw-a5303e8c-b0f0-4686-b933-96e47b393ea9"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5f84d917-01d1-44cf-9519-3bfc39317f98",
    "manifestId": "https://iiif.quartexcollections.com/statelibrarypa/iiif/50c9da0c-587a-4412-a153-ea72c3e15e39/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a5303e8c-b0f0-4686-b933-96e47b393ea9",
    "thumbnailNavigationPosition": "far-bottom"
  }
}