Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/3223",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-81db19fb-d646-4ebc-864e-98c7a59d0266",
      "cw-f7d40443-abc5-46da-bbb6-165f17197fff"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cb88dd1f-c454-4ea9-ae40-61755eaac17f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/3223",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f7d40443-abc5-46da-bbb6-165f17197fff"
  }
}