Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:6603837/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:6603837/canvas/figure.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9b764f6e-86d3-48e0-b764-812414716cf1",
      "cw-b5d029a1-f4e0-40f5-a25a-0246b24d7fb4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-41cdd8bc-ee0a-45cc-9e44-a569994360e8",
    "manifestId": "https://zenodo.org/api/iiif/record:6603837/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b5d029a1-f4e0-40f5-a25a-0246b24d7fb4",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}