Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4103026",
    "isFetching": false
  },
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    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4103026",
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    "sideBarPanel": "info",
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}