Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://zenodo.org/api/iiif/record:976073/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://zenodo.org/api/iiif/record:976073/canvas/big_77118.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b53295e1-225c-40e0-a454-a24fe695c074",
      "cw-ca468139-cb3f-49ed-8e2e-42f68dafe9ff"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-97341988-ff27-464a-9a6a-d6fb38df2258",
    "manifestId": "https://zenodo.org/api/iiif/record:976073/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ca468139-cb3f-49ed-8e2e-42f68dafe9ff",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}