Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/50208",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2f7587ac-2b74-4a74-9107-3c7d5a3d1231",
      "cw-ea7889a7-1207-4426-9890-b4cc41c6e602"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6051e149-9b28-4fa0-b8a6-7cbb2645a784",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/50208",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ea7889a7-1207-4426-9890-b4cc41c6e602"
  }
}