Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/4051",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8db2e22d-edea-4db4-8d7d-22cba44c54bd",
      "cw-3d898394-6717-4c61-9a81-0adafb26e155"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-37a81f4a-8a2b-4c37-8c1e-0f329ce9dbd0",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/4051",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3d898394-6717-4c61-9a81-0adafb26e155"
  }
}