Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/39783",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-09744b8d-45c8-4cc0-a1fd-e135abf48d2a",
      "cw-cb4a20df-ae3a-4789-93dc-b58c70c4ab9b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-14bcc6cf-f4f5-4048-9612-543e7b983f29",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/39783",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-cb4a20df-ae3a-4789-93dc-b58c70c4ab9b"
  }
}