Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/50085",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-aaed3ff4-1708-4c70-8192-bece5e57130c",
      "cw-4158b151-750d-4308-b598-268e5ee399f4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7459b13d-fd8c-4e05-967a-de94593c3515",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/50085",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4158b151-750d-4308-b598-268e5ee399f4"
  }
}