Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4221448",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-91b8429d-eea4-4457-841b-6e33ba6cfabd",
      "cw-a34ba199-744b-492e-89c7-980581325e39"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-98fb1d2a-73c5-4ff7-b620-4ae713e469c8",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4221448",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a34ba199-744b-492e-89c7-980581325e39"
  }
}