Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:5276235/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:5276235/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-66be54a1-e78e-4044-a09f-2db1cbabcaae",
      "cw-3be17edc-9719-45a5-bc2d-7d6464f90c39"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-122e6e02-d1b4-43dd-b56d-8b526e2a4203",
    "manifestId": "https://zenodo.org/api/iiif/record:5276235/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3be17edc-9719-45a5-bc2d-7d6464f90c39",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}