Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.archive.org/iiif/naeb-b101-f02-31/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7ff4af04-0235-44a8-bd92-e414f73e3336",
      "cw-5889b9ea-fd24-4801-b546-340c1c95d5d2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bfaceb75-9f85-4000-ba6f-049ff9098ea3",
    "manifestId": "https://iiif.archive.org/iiif/naeb-b101-f02-31/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5889b9ea-fd24-4801-b546-340c1c95d5d2",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "https://iiif.archive.org/iiif/naeb-b101-f02-31/manifest.json",
    "view": "single",
    "canvasIndex": 0
  }
}