Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/3252",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fafe61c8-ec84-4692-b6db-aee49e7e068d",
      "cw-1b864d8f-7392-49b4-b6a2-e2a0b5a25966"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d3545866-270e-45d1-bd52-1f1d656ed705",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/3252",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1b864d8f-7392-49b4-b6a2-e2a0b5a25966"
  }
}