Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4017259",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f6c40ed3-60fd-4878-8f6e-0a3464fd88b3",
      "cw-4573eaf3-23a1-4042-8d29-ad4fee504865"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a4965087-9952-4869-8e7a-440570e92973",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4017259",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4573eaf3-23a1-4042-8d29-ad4fee504865"
  }
}