Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:4636844/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:4636844/canvas/ont_sequencing.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-63d9f847-d55f-48f5-89a8-a277004b3468",
      "cw-e5d1e092-285f-4ddb-9aea-a2a5a1d18e51"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-a2c9b7ca-768e-4015-9dc7-d067136f8508",
    "manifestId": "https://zenodo.org/api/iiif/record:4636844/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e5d1e092-285f-4ddb-9aea-a2a5a1d18e51",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}