Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/statelibrarypa/iiif/ab256bae-4b2a-4567-a6fc-ac743884d55a/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6c24849c-411d-40c5-b799-e054317f04d4",
      "cw-c88d679d-7a16-48b6-b853-64fa8c664a2e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-592d57a9-6515-4f32-acc1-0b3fe45eb014",
    "manifestId": "https://iiif.quartexcollections.com/statelibrarypa/iiif/ab256bae-4b2a-4567-a6fc-ac743884d55a/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c88d679d-7a16-48b6-b853-64fa8c664a2e",
    "thumbnailNavigationPosition": "far-bottom"
  }
}