Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/statelibrarypa/iiif/6e4a709a-46d2-4ff7-9d90-3e965296c74a/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c35ddfe0-2db1-48fe-817e-f65dd11346cf",
      "cw-ac7bddf5-2fe9-410d-8748-ddf4eff6913b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4a0b27e2-7803-4517-8722-3fc2a5bb1f33",
    "manifestId": "https://iiif.quartexcollections.com/statelibrarypa/iiif/6e4a709a-46d2-4ff7-9d90-3e965296c74a/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ac7bddf5-2fe9-410d-8748-ddf4eff6913b",
    "thumbnailNavigationPosition": "far-bottom"
  }
}