Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:5850290/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:5850290/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bbedd201-eb77-4a19-ab95-d62e997f982d",
      "cw-b25519bc-2fc7-4dc4-b5d5-1b0c62c61cc9"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-88edfe72-3bb9-4771-a96a-6321fc4ee7cd",
    "manifestId": "https://zenodo.org/api/iiif/record:5850290/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b25519bc-2fc7-4dc4-b5d5-1b0c62c61cc9",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}