Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.archive.org/iiif/naeb-b111-f08-23/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f914ca82-2e9a-4a68-ba30-cd5d7a5cbaff",
      "cw-da6b552f-3e7f-41ab-8856-d0107ad4ead0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-048f345c-c2fd-415e-8b01-916282ba1b0d",
    "manifestId": "https://iiif.archive.org/iiif/naeb-b111-f08-23/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-da6b552f-3e7f-41ab-8856-d0107ad4ead0",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "https://iiif.archive.org/iiif/naeb-b111-f08-23/manifest.json",
    "view": "single",
    "canvasIndex": 0
  }
}