Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6146201",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4a5623dd-3338-4ece-b424-8feae746385c",
      "cw-df8637d1-9380-45fb-ae12-e57e3f486f4d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-8b9bb146-1025-44cb-8fc9-72b86e4a3b8b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6146201",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-df8637d1-9380-45fb-ae12-e57e3f486f4d"
  }
}