Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://sandbox.zenodo.org/api/iiif/record:39004/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://sandbox.zenodo.org/api/iiif/record:39004/canvas/framing_streets_profile.png",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ad12d09c-dbdd-4793-b8de-e2c1dda640a5",
      "cw-88a655f9-f613-478f-bd88-677a61480d91"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-120413a0-83e0-4df5-b3b2-6e02962c8667",
    "manifestId": "https://sandbox.zenodo.org/api/iiif/record:39004/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-88a655f9-f613-478f-bd88-677a61480d91",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}