Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:6455274/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:6455274/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-679baefb-a976-4c95-95dc-4960af17c6fb",
      "cw-a66e5a25-b232-4f3b-865f-6fe453a27710"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-4b9c6034-5dbe-4949-a66a-f28f15ae32bb",
    "manifestId": "https://zenodo.org/api/iiif/record:6455274/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a66e5a25-b232-4f3b-865f-6fe453a27710",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}