Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/27263",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d9afd8e6-c986-4aab-a185-5f1be616aa03",
      "cw-72db1c8a-f8db-491a-8305-3fc828045a07"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-40f27efa-6972-43b8-a356-8b2ec0acb85a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/27263",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-72db1c8a-f8db-491a-8305-3fc828045a07"
  }
}