Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/statelibrarypa/iiif/d56e9c8f-8f46-4f8a-a1ee-72f7b069fe22/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8e8de75e-98bb-40a4-89f0-db19583bb953",
      "cw-07cb9e5a-becb-4e8f-8da8-2d94f67e43bd"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1486d4d9-7771-4997-ae14-35cf03fc0138",
    "manifestId": "https://iiif.quartexcollections.com/statelibrarypa/iiif/d56e9c8f-8f46-4f8a-a1ee-72f7b069fe22/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-07cb9e5a-becb-4e8f-8da8-2d94f67e43bd",
    "thumbnailNavigationPosition": "far-bottom"
  }
}