Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4206919",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-837b7e67-a06f-40fb-93ed-a45ac9a2bdcd",
      "cw-c740473b-f860-4c8f-b214-add7d5911911"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c39a5c75-6c8c-4d2d-8973-21d95fb187de",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4206919",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c740473b-f860-4c8f-b214-add7d5911911"
  }
}
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