Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.archive.org/iiif/naeb-b112-f06-08/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-52817850-eb77-4c90-8271-c8785ca5d3f7",
      "cw-fae8a4b6-ee89-48e5-a441-fd1341b2aebd"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-db6c3241-acff-4958-8459-5b57f8b935ac",
    "manifestId": "https://iiif.archive.org/iiif/naeb-b112-f06-08/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-fae8a4b6-ee89-48e5-a441-fd1341b2aebd",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "https://iiif.archive.org/iiif/naeb-b112-f06-08/manifest.json",
    "view": "single",
    "canvasIndex": 0
  }
}