Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:2981840/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:2981840/canvas/BR0000010210420.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-adf34dbc-0459-4a66-94c4-b1fdacbe3d85",
      "cw-d060ece8-0aef-4810-b0a0-13940cec4cb2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-5dafab6a-40cb-4ce2-875f-ff34b9d88678",
    "manifestId": "https://zenodo.org/api/iiif/record:2981840/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d060ece8-0aef-4810-b0a0-13940cec4cb2",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}