Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3439389",
    "isFetching": false
  },
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    "collectionIndex": 0,
    "companionAreaOpen": true,
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    "highlightAllAnnotations": false,
    "id": "window-2f17f50f-e100-4cd2-b154-f5af98a2120e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3439389",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-72ea9ffe-3cfa-451f-bd15-2d983bbb92b3"
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}