Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68145",
    "isFetching": false
  },
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    "companionAreaOpen": true,
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    "highlightAllAnnotations": false,
    "id": "window-542aabc6-d9bd-45b8-823d-6c8973878dbf",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68145",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-62e312dd-33e2-49f0-8b05-e48599606f52"
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}