Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.archivelab.org/iiif/naeb-b018-f13/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2bed106c-2fea-46c0-b367-e6873afb76f0",
      "cw-1f4f1248-25f7-4573-a3cc-781051540995"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fe755255-08b0-40cf-affc-50e1d126fda2",
    "manifestId": "https://iiif.archivelab.org/iiif/naeb-b018-f13/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1f4f1248-25f7-4573-a3cc-781051540995",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "https://iiif.archivelab.org/iiif/naeb-b018-f13/manifest.json",
    "view": "single",
    "canvasIndex": 0
  }
}