Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:230979/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:230979/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-af84a745-0f74-47e6-8e3f-9e940891f19a",
      "cw-ba929404-9c6d-4df5-bde7-f7f3c4acfdf9"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-997ce591-858f-4572-96ae-137e0fd35d67",
    "manifestId": "https://zenodo.org/api/iiif/record:230979/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ba929404-9c6d-4df5-bde7-f7f3c4acfdf9",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}