Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3773732",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7e8021ff-5f2d-483e-8deb-5c006104badd",
      "cw-0b8bb063-3971-4ec1-be56-fbd40c7a9534"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-21a9e778-e4f5-49a1-983a-7a959e5fad82",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3773732",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0b8bb063-3971-4ec1-be56-fbd40c7a9534"
  }
}