Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4123928",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e274089e-fefc-4409-9a49-b5494e3c6eeb",
      "cw-6dacdaac-e3dc-4648-900b-651aacd45569"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-8c2c6bef-22ea-43bb-bfc0-02aa985b7c6f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4123928",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6dacdaac-e3dc-4648-900b-651aacd45569"
  }
}
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