Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/statelibrarypa/iiif/6c44adbd-bee9-4591-8952-c8a392034517/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2f7129e0-f0fa-4e61-b6cb-069cd1ba518f",
      "cw-d0738634-0f62-46a0-969d-19b644297cfa"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c4dff139-9a90-4ac2-8168-080a279cd31f",
    "manifestId": "https://iiif.quartexcollections.com/statelibrarypa/iiif/6c44adbd-bee9-4591-8952-c8a392034517/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d0738634-0f62-46a0-969d-19b644297cfa",
    "thumbnailNavigationPosition": "far-bottom"
  }
}