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-ea3e4e7c-7ac6-4e87-8c1c-d0f36f156b3b",
      "cw-6957f1d1-da12-4f5a-9048-bc16292ed480"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-e1f3c78e-4760-4960-9308-1d8d8d7b78ab",
    "manifestId": "https://zenodo.org/api/iiif/record:18620/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6957f1d1-da12-4f5a-9048-bc16292ed480",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}