Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.archive.org/iiif/naeb-b099-f03/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f94a7bc4-3016-4909-b385-0b41fbfa6ca1",
      "cw-d9abcd61-e49f-45c6-bf97-d109b9421070"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3161a650-8614-4bc4-83f0-d4109fb97e24",
    "manifestId": "https://iiif.archive.org/iiif/naeb-b099-f03/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d9abcd61-e49f-45c6-bf97-d109b9421070",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "https://iiif.archive.org/iiif/naeb-b099-f03/manifest.json",
    "view": "single",
    "canvasIndex": 0
  }
}