Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:4501117/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:4501117/canvas/CALL%20FOR%20PAPERS...%21%21%21.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0743d29c-46e5-4f8c-8bb0-a6569b07ba04",
      "cw-97117fb5-3a8c-4f77-9010-31fc20e64efb"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-8115d5cb-c50d-4af7-a106-8345f95060ee",
    "manifestId": "https://zenodo.org/api/iiif/record:4501117/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-97117fb5-3a8c-4f77-9010-31fc20e64efb",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}