Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://sandbox.zenodo.org/api/iiif/record:184437/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://sandbox.zenodo.org/api/iiif/record:184437/canvas/AdobeStock_225676932-1024x682.jpeg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3f6d3e34-462d-4323-80e4-59b60b6ed134",
      "cw-24042617-2069-4ba9-a24f-ebcbb33674e1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-3b63043d-5dc6-4939-a91e-332abbe83f4e",
    "manifestId": "https://sandbox.zenodo.org/api/iiif/record:184437/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-24042617-2069-4ba9-a24f-ebcbb33674e1",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}