Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/54779",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-db5455ad-a61f-41c2-8e59-a68f7dcc1ad1",
      "cw-81eb9064-14e8-48ca-9b68-9678ce9a2ee8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1cff3956-ada5-40c4-b9b9-bf6a7a817716",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/54779",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-81eb9064-14e8-48ca-9b68-9678ce9a2ee8"
  }
}
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