Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/56818",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4509e224-c9b6-4232-ad40-8aad83083061",
      "cw-63890f7e-525d-49c2-b8a6-1633654f2d6d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2cf30984-b92c-4df5-9560-21203a4288c5",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/56818",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-63890f7e-525d-49c2-b8a6-1633654f2d6d"
  }
}
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