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-532a17e7-a2b9-4d7a-916b-0f97e2adda5f",
      "cw-aac97950-dab7-4392-9e68-acf216346b2c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-ca405544-7657-4136-aa25-f5269cad685a",
    "manifestId": "https://zenodo.org/api/iiif/record:4608521/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-aac97950-dab7-4392-9e68-acf216346b2c",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}