Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3729370",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4423b77f-d009-4977-8625-3635a37b232b",
      "cw-690b4ab5-14ad-44d1-abfc-900708a8ebdf"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ffc48d76-2f1d-499f-9fff-e04760db5b76",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3729370",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-690b4ab5-14ad-44d1-abfc-900708a8ebdf"
  }
}