Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4670742",
    "isFetching": false
  },
  "window": {
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    ],
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    "id": "window-2d1b45fc-5127-40c3-805b-c7044cef46a1",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4670742",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d9346e35-a30a-4a7e-b04d-ca8c1bd66afd"
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}
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