Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:18620/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:18620/canvas/anthrome_11.tif",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7e428bcf-3463-475b-8d96-ea5d937ef634",
      "cw-c6a1e12b-3178-46df-be9e-5339451c57cf"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-1322f8e6-e905-4c9a-bd74-3d43a7e602ab",
    "manifestId": "https://zenodo.org/api/iiif/record:18620/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c6a1e12b-3178-46df-be9e-5339451c57cf",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}