Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12854464",
    "isFetching": false
  },
  "window": {
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    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b7cac1c6-1bce-451e-98af-aae899dedf22",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12854464",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8f11a0f4-dc3c-4f03-8af5-d3ea0464e1cf"
  }
}
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