Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/15969519",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b3480e5d-52a1-4683-8c80-517c1bac5be7",
      "cw-11ab6e0d-83ad-45ec-a4dd-573b70646d3f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-8fbf6aa7-34ff-416d-9782-9e5b8017fbd7",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/15969519",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-11ab6e0d-83ad-45ec-a4dd-573b70646d3f"
  }
}