Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/54242",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8583246a-d5d5-4c7b-a773-dd329c56ba16",
      "cw-5a7e5699-1052-4ac6-8497-2fa4aec5c2c4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c5133355-fff3-4ab3-9dbd-c8a6fca1f2c3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/54242",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5a7e5699-1052-4ac6-8497-2fa4aec5c2c4"
  }
}
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