Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/50558",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2be04cf3-c311-4c2e-a8ee-9f8b2f325729",
      "cw-b70f7281-f435-430c-b1a2-3a759df682d5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a7e1418b-f786-4760-84af-c58b67ad07e3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/50558",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b70f7281-f435-430c-b1a2-3a759df682d5"
  }
}
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