Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:1476001/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:1476001/canvas/56N7.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7a3e153e-7532-487c-8c03-2a46ea1569bb",
      "cw-f3ca2fbe-f398-4bd5-a52e-5216c2ec516d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-5ec1b2f1-47eb-4b9e-bd80-1c6813443844",
    "manifestId": "https://zenodo.org/api/iiif/record:1476001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f3ca2fbe-f398-4bd5-a52e-5216c2ec516d",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}