Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.archive.org/iiif/naeb-b111-f02-01/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5c6caf6a-5537-4dce-9cdc-43fda5c823a0",
      "cw-bf533e05-07d8-4b7a-b266-6b2f5ae83d8c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-8c9b2e99-1ff4-4034-b6c0-a487ec635681",
    "manifestId": "https://iiif.archive.org/iiif/naeb-b111-f02-01/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-bf533e05-07d8-4b7a-b266-6b2f5ae83d8c",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "https://iiif.archive.org/iiif/naeb-b111-f02-01/manifest.json",
    "view": "single",
    "canvasIndex": 0
  }
}