Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:4608521/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:4608521/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-26cf9cda-0a42-4ba2-bffc-f23ea5a0e88d",
      "cw-1118064a-0f5e-407d-aaac-4e64903c4aa7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-5e384256-96f6-4f50-a747-20400479619c",
    "manifestId": "https://zenodo.org/api/iiif/record:4608521/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1118064a-0f5e-407d-aaac-4e64903c4aa7",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}