Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/74405",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bd83afca-2aa1-4ddb-a68f-f3368a1862ad",
      "cw-ca2f19f5-f9c4-4756-90dd-f6e942b50b8b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a8efb60d-f37a-43ad-9dde-d7e0468bc19e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/74405",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ca2f19f5-f9c4-4756-90dd-f6e942b50b8b"
  }
}
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