Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://sandbox.zenodo.org/api/iiif/record:105167/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://sandbox.zenodo.org/api/iiif/record:105167/canvas/1%20%282%29.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d153501f-5833-4a80-9b8e-2b7a2946fd42",
      "cw-46a8ad35-e017-4040-a899-405e7e36dc9a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-cf10c04d-4d54-4411-843c-902b780ad38c",
    "manifestId": "https://sandbox.zenodo.org/api/iiif/record:105167/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-46a8ad35-e017-4040-a899-405e7e36dc9a",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}