Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/13527",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f9093483-496d-45f2-a28b-8c480b5e2640",
      "cw-556bd024-b843-4302-84c7-fe5701da830f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-77d6006d-9892-428b-8c17-a53dd9a84863",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/13527",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-556bd024-b843-4302-84c7-fe5701da830f"
  }
}