Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/72369",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ab996e9a-3b74-4470-b070-95cd99063d44",
      "cw-fa56c52b-05a4-4777-a790-fc654eb4b739"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-be460d9c-0c69-46a5-ad13-8d89316fdf6f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/72369",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-fa56c52b-05a4-4777-a790-fc654eb4b739"
  }
}