Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://sandbox.zenodo.org/api/iiif/record:174767/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://sandbox.zenodo.org/api/iiif/record:174767/canvas/IMG_5670-Photoroom.jpg",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-afc3408a-def5-4c42-aeac-2d7a51d989b5",
      "cw-9dd4c095-6fda-4282-abec-637b94717f34"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-918aa5f5-b3fb-48e9-bbc7-f75821536c08",
    "manifestId": "https://sandbox.zenodo.org/api/iiif/record:174767/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9dd4c095-6fda-4282-abec-637b94717f34",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}