Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.archivelab.org/iiif/naeb-b053-f08/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6df8d28e-09a2-45d0-a1a8-7f7d597cf20a",
      "cw-2aca9616-8eda-4526-b557-644e82bee1af"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3990c924-8297-477b-8b2b-800ac8192a84",
    "manifestId": "https://iiif.archivelab.org/iiif/naeb-b053-f08/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2aca9616-8eda-4526-b557-644e82bee1af",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "https://iiif.archivelab.org/iiif/naeb-b053-f08/manifest.json",
    "view": "single",
    "canvasIndex": 0
  }
}