Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/39771",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ed0dae3e-88ad-4452-97fa-75d28f7e1f4a",
      "cw-85c95e11-56c9-498a-b1b0-e704ae6e11cb"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-17d45243-7d1f-46e3-b2b8-39c5e574fe3c",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/39771",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-85c95e11-56c9-498a-b1b0-e704ae6e11cb"
  }
}
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