Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/722651",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-798482f0-52cb-47ce-be2d-87523ee3b51d",
      "cw-edca5952-1ad1-431f-b1a6-c5b55bb2457d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2215f52f-7bee-4fc2-adad-d8d1f597536a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/722651",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-edca5952-1ad1-431f-b1a6-c5b55bb2457d"
  }
}