Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4021117",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-be21779f-6e4a-4bac-9344-8ec4f1b53644",
      "cw-b9d7aeb8-76c6-4509-b82f-bae591f933e4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-18ab8e22-9944-4fc6-a7bb-595ed604a0b8",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4021117",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b9d7aeb8-76c6-4509-b82f-bae591f933e4"
  }
}
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