Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/13397",
    "isFetching": false
  },
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    "companionWindowIds": [
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    "id": "window-accb987d-302f-40c2-bc0c-519780d20320",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/13397",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-afa0daae-80bb-4648-bda1-dc4e05b1a186"
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}