Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/57747",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-af4de02b-a300-4a86-9e47-b6b9104432ac",
      "cw-d8ee5867-b71a-4667-a5a8-5ea61b0fcd27"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bc34b4e6-f43f-485d-b8fe-75a71ffe2e0a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/57747",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d8ee5867-b71a-4667-a5a8-5ea61b0fcd27"
  }
}
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