Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4455755",
    "isFetching": false
  },
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    ],
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    "id": "window-c131d8a6-8c4a-4de0-bceb-e5597c485e3f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4455755",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3cd5dab5-0b28-463a-91cb-63a906fea062"
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}