Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/39026",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-86278cf7-cfda-430c-9de1-f41b7dbc5f44",
      "cw-9698bf84-770b-49a0-88ea-059eb991dfae"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-41f547ec-1f33-4d3f-b609-ad8a104416f7",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/39026",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9698bf84-770b-49a0-88ea-059eb991dfae"
  }
}