Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3561020",
    "isFetching": false
  },
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    "id": "window-b233c744-e10d-4e3f-816e-1407cdf23d55",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3561020",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-382a77ee-e306-4281-a0d6-d2880a774e8f"
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}