Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.archivelab.org/iiif/naeb-b110-f11-15/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-40cc09ed-89e7-446c-9a0b-7c41b884718c",
      "cw-b7ebbdf0-91c1-4f93-9dfb-2efffa7a3e27"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9c06be59-79ba-4dff-ac59-1b532d2dc960",
    "manifestId": "https://iiif.archivelab.org/iiif/naeb-b110-f11-15/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b7ebbdf0-91c1-4f93-9dfb-2efffa7a3e27",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "https://iiif.archivelab.org/iiif/naeb-b110-f11-15/manifest.json",
    "view": "single",
    "canvasIndex": 0
  }
}