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-55b80eb5-56b0-44d1-a5e8-6fa08bec1684",
      "cw-ea45824b-0795-4a1b-a774-9efe6a9aca97"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bdc41e4b-a07e-4406-b73f-e674b0707c6c",
    "manifestId": "https://iiif.archivelab.org/iiif/naeb-b053-f08/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ea45824b-0795-4a1b-a774-9efe6a9aca97",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "https://iiif.archivelab.org/iiif/naeb-b053-f08/manifest.json",
    "view": "single",
    "canvasIndex": 0
  }
}