Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6491273",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2a8cc94e-3f3e-4b88-8eb4-ae59d88427ad",
      "cw-f35fa7b3-247e-4b99-8bac-848249f52407"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bdc7fae0-654b-4a84-87fe-a4fa31e1a8be",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6491273",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f35fa7b3-247e-4b99-8bac-848249f52407"
  }
}