Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/statelibrarypa/iiif/68ebfe59-d592-4e45-9831-0a68576b5086/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e4ed7449-472f-42df-b913-1ff6b7177cc7",
      "cw-edf3a209-976e-42c2-81a9-9b2a7d7618f7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c9c0b85c-d111-4465-8307-d54dcd31803f",
    "manifestId": "https://iiif.quartexcollections.com/statelibrarypa/iiif/68ebfe59-d592-4e45-9831-0a68576b5086/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-edf3a209-976e-42c2-81a9-9b2a7d7618f7",
    "thumbnailNavigationPosition": "far-bottom"
  }
}