Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/56829",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b6536ab8-6307-444f-9866-63ff6af08d15",
      "cw-43b64e5b-a0c2-43f1-bcf4-f27d93b98d1e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bfe6a404-2b0f-41d0-a359-51395cb4fbc5",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/56829",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-43b64e5b-a0c2-43f1-bcf4-f27d93b98d1e"
  }
}
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