Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:905866/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:905866/canvas/oo_5251.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b9d04711-4f43-473d-acd0-1cf17575417e",
      "cw-12a57193-609c-4b2a-9712-0cfdedcd7c04"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-f6e674d8-428d-486f-af31-6670ba4f842f",
    "manifestId": "https://zenodo.org/api/iiif/record:905866/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-12a57193-609c-4b2a-9712-0cfdedcd7c04",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}