Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:958774/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:958774/canvas/big_33663.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8569115f-956a-4457-953a-4cbc0a9a5c9a",
      "cw-0d5ba3c5-2159-4d76-a32f-8205eb331cfd"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-68000f14-bd7e-4bd9-8d5d-6118d6006376",
    "manifestId": "https://zenodo.org/api/iiif/record:958774/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0d5ba3c5-2159-4d76-a32f-8205eb331cfd",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}