Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/statelibrarypa/iiif/03ac6e84-4bfd-4ede-9f5d-90126638994a/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d0dd3c7c-5f86-4309-9475-45b8a6a855cf",
      "cw-5dc44dd7-5dbe-4b06-b61e-9a2ba63e8bee"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ad5b21f4-390f-4707-abbc-1974463091f5",
    "manifestId": "https://iiif.quartexcollections.com/statelibrarypa/iiif/03ac6e84-4bfd-4ede-9f5d-90126638994a/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5dc44dd7-5dbe-4b06-b61e-9a2ba63e8bee",
    "thumbnailNavigationPosition": "far-bottom"
  }
}