Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/40343",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-64f66639-84f8-41f0-8227-e9d0e8cfc23c",
      "cw-0d979017-bb76-4537-afd1-b90c17456e5e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5b1a59b0-c02b-49d6-86d9-87e5c6f3883e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/40343",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0d979017-bb76-4537-afd1-b90c17456e5e"
  }
}
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