Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://sandbox.zenodo.org/api/iiif/record:196146/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://sandbox.zenodo.org/api/iiif/record:196146/canvas/yacht400300.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-82f7a90b-941d-4775-b043-8765658fd39c",
      "cw-bc06d786-3244-4855-8c1d-2e9579671fff"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-132c1d14-5b5f-44ef-b148-c66f5541f15c",
    "manifestId": "https://sandbox.zenodo.org/api/iiif/record:196146/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-bc06d786-3244-4855-8c1d-2e9579671fff",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}