Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/statelibrarypa/iiif/d85d2fec-a2b2-4882-806d-add4d075947b/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-65f5381d-2e24-42ae-b346-50dc485a8d59",
      "cw-591b7a1c-ddc5-4634-a621-9f376f367726"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a4ecef32-60d4-45c5-a025-d95abad4cc43",
    "manifestId": "https://iiif.quartexcollections.com/statelibrarypa/iiif/d85d2fec-a2b2-4882-806d-add4d075947b/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-591b7a1c-ddc5-4634-a621-9f376f367726",
    "thumbnailNavigationPosition": "far-bottom"
  }
}