Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.archive.org/iiif/naeb-b111-f07-08/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0b13b3ad-b0df-460e-a054-b5640e2a02a1",
      "cw-36b276f3-60d3-44e3-90ca-e60a9ea394a3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b09b714e-5a43-4d7c-94fe-fbf55f247e3b",
    "manifestId": "https://iiif.archive.org/iiif/naeb-b111-f07-08/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-36b276f3-60d3-44e3-90ca-e60a9ea394a3",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "https://iiif.archive.org/iiif/naeb-b111-f07-08/manifest.json",
    "view": "single",
    "canvasIndex": 0
  }
}