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/as_biov2ct1.tif",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1952d4b3-a3fb-4e04-b57a-74b013f13444",
      "cw-4b6df439-ae6d-4499-a167-cd6c0f4cce7f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-006285d0-91b2-4145-8530-1f2e8e1a92b8",
    "manifestId": "https://zenodo.org/api/iiif/record:18620/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4b6df439-ae6d-4499-a167-cd6c0f4cce7f",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}