Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/statelibrarypa/iiif/d9768b1f-6a2f-4676-a088-633b57593459/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-87fed476-b8ad-4d93-b0f9-0fd5633e5bdb",
      "cw-deb1612e-83b0-4eac-b3f3-61b9604a7565"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5cda84c1-a15e-49c6-991c-1987f44d72a4",
    "manifestId": "https://iiif.quartexcollections.com/statelibrarypa/iiif/d9768b1f-6a2f-4676-a088-633b57593459/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-deb1612e-83b0-4eac-b3f3-61b9604a7565",
    "thumbnailNavigationPosition": "far-bottom"
  }
}