Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4221143",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0a4ab9f4-accf-408d-b03d-934f41caedad",
      "cw-3ad95c80-956a-4e32-8b01-8604a8b2bd63"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1f8bf698-b516-4a37-999d-2d4c913c5a45",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4221143",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3ad95c80-956a-4e32-8b01-8604a8b2bd63"
  }
}
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