Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:4007784/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:4007784/canvas/LearnIn%20Presentation%20Spark.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f940d3b4-2be8-4d70-b0fe-c0d0565f3433",
      "cw-a770fb95-2549-4ea3-b6d5-9e48381488a7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-dc787084-8ee2-4fe0-a16c-ff85809881f4",
    "manifestId": "https://zenodo.org/api/iiif/record:4007784/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a770fb95-2549-4ea3-b6d5-9e48381488a7",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}