Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4012735",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b9f4dcc9-08ef-4ec6-bedf-7bfa46d27fbb",
      "cw-c0e362f8-150d-40f4-9437-24cbb6e28b6b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f63988d5-dda9-4d64-81fe-5479d0ac6fdc",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4012735",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c0e362f8-150d-40f4-9437-24cbb6e28b6b"
  }
}
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