Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/statelibrarypa/iiif/6896ebcf-ee0c-413c-9d16-0b748ae65d3e/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3767d05e-84e0-4040-8adb-344745dece01",
      "cw-c94091ca-be9a-49fb-aa11-d46439e525d4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ef725507-4de8-40e1-b518-e91aa095c950",
    "manifestId": "https://iiif.quartexcollections.com/statelibrarypa/iiif/6896ebcf-ee0c-413c-9d16-0b748ae65d3e/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c94091ca-be9a-49fb-aa11-d46439e525d4",
    "thumbnailNavigationPosition": "far-bottom"
  }
}