Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/581721",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e1fbc24c-26de-41aa-9db0-2af76e8bf070",
      "cw-4bc5507f-27ca-4fdd-a741-3c9248b6c6f9"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c2974858-6838-4532-a5c5-392aad3d75b4",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/581721",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4bc5507f-27ca-4fdd-a741-3c9248b6c6f9"
  }
}
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