Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3121539",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6c4c14e4-93bc-4f9d-ac2e-beee1e5f9f74",
      "cw-9cbbd290-c683-45d6-a76c-6962bca72934"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7fe2762a-6357-4ead-9ae4-5ab18fc7dc31",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3121539",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9cbbd290-c683-45d6-a76c-6962bca72934"
  }
}
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