Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:1492988/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:1492988/canvas/big_242209.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ccab94ad-2c5e-4164-8c27-f2f13850237f",
      "cw-65566f05-efe1-458c-b7c5-708fa967d220"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-88362372-1888-4a1d-ad60-eb7ee7483e5f",
    "manifestId": "https://zenodo.org/api/iiif/record:1492988/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-65566f05-efe1-458c-b7c5-708fa967d220",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}