Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:18620/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:18620/canvas/global_elevation.tiff",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-48d4cb53-d6b2-4fcd-b984-23c3bec3402b",
      "cw-0e64d0d7-efab-409f-a02d-8fc09454bef0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-2eb1bb09-9641-4c30-806a-2f3904e44102",
    "manifestId": "https://zenodo.org/api/iiif/record:18620/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0e64d0d7-efab-409f-a02d-8fc09454bef0",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}