Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.archive.org/iiif/naeb-b101-f02-42/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4365105a-e548-4ce3-baf4-c95b48d154d6",
      "cw-d32ff6c8-8f3d-487f-bdb5-369254e564c9"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5c69964b-de90-4a68-8df9-c427ea5bf43f",
    "manifestId": "https://iiif.archive.org/iiif/naeb-b101-f02-42/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d32ff6c8-8f3d-487f-bdb5-369254e564c9",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "https://iiif.archive.org/iiif/naeb-b101-f02-42/manifest.json",
    "view": "single",
    "canvasIndex": 0
  }
}