Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:4637635/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:4637635/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-92dbcceb-860e-48b0-b5a5-481325089c0c",
      "cw-60b9dd3f-75ae-432e-bed3-d64c99a9a7a2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-72a4c474-43d2-4e0a-86cf-70d5039ebfaf",
    "manifestId": "https://zenodo.org/api/iiif/record:4637635/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-60b9dd3f-75ae-432e-bed3-d64c99a9a7a2",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}