Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3989521",
    "isFetching": false
  },
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    "companionAreaOpen": true,
    "companionWindowIds": [
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    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-44d9fe17-0e78-490f-89ad-fb6d2aa3ad21",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3989521",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0da6db87-b922-48df-af67-42647f362d97"
  }
}
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