Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:7757748/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:7757748/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d339ad11-a980-44b6-b81a-548bc4df278f",
      "cw-fbf1e17c-33ae-4a34-8899-03a5c43e3ee3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-fb2307c8-1deb-4a3a-972e-2efde82b5013",
    "manifestId": "https://zenodo.org/api/iiif/record:7757748/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-fbf1e17c-33ae-4a34-8899-03a5c43e3ee3",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}