Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:1224466/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:1224466/canvas/big_186716.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-083bb1f0-2be3-4010-a076-eef09eebbf1c",
      "cw-d5390d37-bc2a-4f90-a640-37530e54f2fb"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-76ca2376-5c0b-42df-8ad3-0cdee164b5e6",
    "manifestId": "https://zenodo.org/api/iiif/record:1224466/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d5390d37-bc2a-4f90-a640-37530e54f2fb",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}