Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6233747",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e9732b91-2abc-4380-9eee-77e49c01f556",
      "cw-dfd2cd63-8155-40cb-abc7-d51d5eaf7047"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3246df98-ae49-4743-9e4c-5341d520e10a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6233747",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-dfd2cd63-8155-40cb-abc7-d51d5eaf7047"
  }
}