Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/67618",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-187c3caf-de71-4f1f-ad2d-94704ff886f7",
      "cw-5161badd-dcd7-4a72-8483-6d1b7f8249ca"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a7d058dd-83eb-4e9b-bafa-0a089edb1d6e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/67618",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5161badd-dcd7-4a72-8483-6d1b7f8249ca"
  }
}