Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:3670847/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:3670847/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a04e8508-113b-4bcd-87df-41c15cb8583a",
      "cw-971bfb46-fdf8-459b-a431-18e9f74abb80"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-27bc3f87-97d0-4b6d-be0e-0ce70741942f",
    "manifestId": "https://zenodo.org/api/iiif/record:3670847/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-971bfb46-fdf8-459b-a431-18e9f74abb80",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}