Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:271986/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:271986/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-89f84b61-4d83-4acb-8955-c9cf83766491",
      "cw-1abb92f0-75cb-4577-af3e-f41de5160387"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-c69b913b-3578-496d-b78a-9a497393dbae",
    "manifestId": "https://zenodo.org/api/iiif/record:271986/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1abb92f0-75cb-4577-af3e-f41de5160387",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}