Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:5811234/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:5811234/canvas/big_627383.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d3cfba16-06e1-4e6a-812a-18fd64f1b25d",
      "cw-4cc293bc-4ada-4a03-ade6-2a52b05a84e7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-9d61209f-07fb-4306-801f-9c31a4c819d3",
    "manifestId": "https://zenodo.org/api/iiif/record:5811234/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4cc293bc-4ada-4a03-ade6-2a52b05a84e7",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}