Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/39696",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ee508f4a-a479-4461-9a78-7769ee27ae6b",
      "cw-4db6cb8d-4253-4472-ac3f-c528cefb280b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ba2825e9-b194-4c76-9160-baf9dd2ccd7c",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/39696",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4db6cb8d-4253-4472-ac3f-c528cefb280b"
  }
}