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-7f66dccb-aeef-4b82-b51b-67f63e277d79",
      "cw-6e7edc09-17f6-4ed8-b799-e621c34bceb0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-f34ea1cb-99d8-458e-ae6d-34ad61daacc7",
    "manifestId": "https://zenodo.org/api/iiif/record:4636844/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6e7edc09-17f6-4ed8-b799-e621c34bceb0",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}