Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.archive.org/iiif/naeb-b036-f01/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-827e76d4-6723-4404-8dc8-fee3f3b96745",
      "cw-664de560-df75-4960-a2cb-d9a490b4b910"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7f7a05de-8bf1-46bb-a57d-c878cce0f764",
    "manifestId": "https://iiif.archive.org/iiif/naeb-b036-f01/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-664de560-df75-4960-a2cb-d9a490b4b910",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "https://iiif.archive.org/iiif/naeb-b036-f01/manifest.json",
    "view": "single",
    "canvasIndex": 0
  }
}