Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3781858",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fcd6e103-853f-4472-8934-755ad4df5522",
      "cw-2620f945-fe5b-4f1b-9452-5e916f386f2a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-0a204174-b731-408e-a22a-1795c47a5949",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3781858",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2620f945-fe5b-4f1b-9452-5e916f386f2a"
  }
}