Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.archive.org/iiif/naeb-b112-f01-23/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-09c42dea-223b-4841-a9d9-e5412a2cc604",
      "cw-6ce84003-d782-4567-83cd-138142f92280"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d7a2ae3c-6be7-43fa-95e2-c1078eadbf22",
    "manifestId": "https://iiif.archive.org/iiif/naeb-b112-f01-23/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6ce84003-d782-4567-83cd-138142f92280",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "https://iiif.archive.org/iiif/naeb-b112-f01-23/manifest.json",
    "view": "single",
    "canvasIndex": 0
  }
}