Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12838837",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-60f28049-4ebb-4e7d-b9dc-f716b8e4c698",
      "cw-d84c8945-ee0e-4791-89c0-bf26000bb963"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-69a7d488-d550-4c70-b4a8-4e824f5537b0",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12838837",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d84c8945-ee0e-4791-89c0-bf26000bb963"
  }
}
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