Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:202012/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:202012/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
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      "cw-05e30b7b-8887-449b-8a0c-fa1a32892fcc"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-edf709f1-b3a1-400f-95dd-8a06329deb00",
    "manifestId": "https://zenodo.org/api/iiif/record:202012/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-05e30b7b-8887-449b-8a0c-fa1a32892fcc",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
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}