Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:993995/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:993995/canvas/oo_128409.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3fa99158-08b9-425b-a9ed-b8ea21d0daea",
      "cw-84f566af-3d97-447e-887c-44b1690db864"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-1784fb16-e07c-430b-a00c-8c15889434fd",
    "manifestId": "https://zenodo.org/api/iiif/record:993995/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-84f566af-3d97-447e-887c-44b1690db864",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}