Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68449",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-29593cbf-b930-4b83-8680-b9a440577a4c",
      "cw-12b5d63f-4ca4-405a-8fe7-9cc2d0393d0b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-70669ff6-64ec-4c11-98a1-5ab63707ae9d",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68449",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-12b5d63f-4ca4-405a-8fe7-9cc2d0393d0b"
  }
}
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