Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.archivelab.org/iiif/naeb-b036-f06/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c186ebfe-0a2f-45de-80f7-711d52eaeb22",
      "cw-7ed66f00-1f44-4564-86f6-e3ce915c6d13"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cf4b2a5b-71cf-453e-bd72-034a081de2ec",
    "manifestId": "https://iiif.archivelab.org/iiif/naeb-b036-f06/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7ed66f00-1f44-4564-86f6-e3ce915c6d13",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "https://iiif.archivelab.org/iiif/naeb-b036-f06/manifest.json",
    "view": "single",
    "canvasIndex": 0
  }
}