Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:980767/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:980767/canvas/big_91006.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a80d81c4-9421-4a90-aac4-dd94a2abc720",
      "cw-4dcdb652-630f-46a2-a5dc-4fc5b05fcad0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-c21f0591-60ce-4b51-a801-cbd4618e40ed",
    "manifestId": "https://zenodo.org/api/iiif/record:980767/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4dcdb652-630f-46a2-a5dc-4fc5b05fcad0",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}