Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.archive.org/iiif/naeb-b111-f03-06/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-55bd50f7-0c25-4b17-9d04-3771bbe855d4",
      "cw-5897a4c9-a1f5-453d-abd7-40a010f7dcde"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-12459a30-2035-4523-83f8-289f6268a30d",
    "manifestId": "https://iiif.archive.org/iiif/naeb-b111-f03-06/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5897a4c9-a1f5-453d-abd7-40a010f7dcde",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "https://iiif.archive.org/iiif/naeb-b111-f03-06/manifest.json",
    "view": "single",
    "canvasIndex": 0
  }
}