Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3439972",
    "isFetching": false
  },
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    "collectionIndex": 0,
    "companionAreaOpen": true,
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    "highlightAllAnnotations": false,
    "id": "window-b52ae7fb-805c-4bf4-a44c-b5e72be0d3ca",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3439972",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c3bec4e5-7e15-45bd-836d-5053d692d7e6"
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}