Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:3990156/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:3990156/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9159c224-7c43-4d8a-94b7-3b8e4e36c7c1",
      "cw-6eb20571-55bc-46b6-8159-86cf75b2f664"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-6ad4a619-0bfb-4f6f-831e-463e5467f3b7",
    "manifestId": "https://zenodo.org/api/iiif/record:3990156/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6eb20571-55bc-46b6-8159-86cf75b2f664",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}