Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4420733",
    "isFetching": false
  },
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    "id": "window-ca2b8649-1a4e-4c73-a194-b116c386d18e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4420733",
    "maximized": false,
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    "rotation": null,
    "selectedAnnotations": {},
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    "sideBarPanel": "info",
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}
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