Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:4979087/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:4979087/canvas/big_553806.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-051e46c9-f628-4037-a9e1-ea000e9a9b77",
      "cw-43d428d6-f5eb-4551-927c-3cbfd26a55c6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-8abd14c1-0df1-43d3-87ae-fe3daaeda5df",
    "manifestId": "https://zenodo.org/api/iiif/record:4979087/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-43d428d6-f5eb-4551-927c-3cbfd26a55c6",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}