Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:6549363/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:6549363/canvas/visuexplore-web-5measure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-be8119b1-772e-4c4e-b518-5b1cb5d2c06d",
      "cw-853f3065-cd95-45d7-b666-2fada1a4ee17"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-fd772183-3ebd-41ca-9f7a-daf9bd912f5d",
    "manifestId": "https://zenodo.org/api/iiif/record:6549363/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-853f3065-cd95-45d7-b666-2fada1a4ee17",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}