Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/66755",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8cfb5932-a5b2-4fb6-b4c6-91a104efe374",
      "cw-72a9a0fa-7eb8-47ae-aa39-3302e62c4089"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9033db36-ad7a-4b9b-b7cc-46947a66dfef",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/66755",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-72a9a0fa-7eb8-47ae-aa39-3302e62c4089"
  }
}
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