Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:5121855/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:5121855/canvas/Reed_poster.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5ffbd1f3-34f0-4107-abbf-2dc22490b267",
      "cw-3e711c13-2b40-44e1-99cd-81a571f8c6aa"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-b8bec862-3ef3-4ce4-895a-9c46bd3ce025",
    "manifestId": "https://zenodo.org/api/iiif/record:5121855/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3e711c13-2b40-44e1-99cd-81a571f8c6aa",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}