Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://sandbox.zenodo.org/api/iiif/record:182252/manifest",
    "isFetching": false
  },
  "viewer": null,
  "window": {
    "canvasId": "https://sandbox.zenodo.org/api/iiif/record:182252/canvas/4692T500-2-01-3-anchor-CL.tif",
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d0621a11-adaa-4043-af86-fd3f24d7796b",
      "cw-45c74012-916d-403b-bd61-40764b2ca555"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": true,
    "id": "window-2eb52f25-4b49-4182-b58a-968ecc748c8f",
    "manifestId": "https://sandbox.zenodo.org/api/iiif/record:182252/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-45c74012-916d-403b-bd61-40764b2ca555",
    "thumbnailNavigationPosition": "far-right",
    "visibleCanvases": []
  }
}