Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12439340",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4fe3bac6-d9d3-4501-8960-48b1610a4956",
      "cw-a71e7d9c-25f6-4696-95ef-bf2ecb0266be"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b639c50f-e3f7-491a-af8a-d4cde103ba87",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12439340",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a71e7d9c-25f6-4696-95ef-bf2ecb0266be"
  }
}
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