Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6423799",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-542c1cb9-70d1-4fb5-988f-019666e76228",
      "cw-55c7b168-43d3-4cc2-a9c8-66bce5df7f04"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d0f95323-0705-478e-ba2a-e1cfc3f60cf4",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6423799",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-55c7b168-43d3-4cc2-a9c8-66bce5df7f04"
  }
}
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