Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://sandbox.zenodo.org/api/iiif/record:176156/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://sandbox.zenodo.org/api/iiif/record:176156/canvas/hydrogen-rich-water-bottle-247x296.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7d07077a-b0f4-4d51-aab1-0a64e0dbc3e1",
      "cw-29504fd4-5ec4-48b6-81f6-970b208e597b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-09cfbec3-938d-4b42-b4ee-6edc4a648f63",
    "manifestId": "https://sandbox.zenodo.org/api/iiif/record:176156/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-29504fd4-5ec4-48b6-81f6-970b208e597b",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}