Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/7591",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5daeb6f9-2c87-4baa-a4ad-c4925b5251b7",
      "cw-47600f75-a8d0-4543-8b34-dbf26f81c6b0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-93f213af-33b2-4a60-aa05-3db0f5b1d4a3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/7591",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-47600f75-a8d0-4543-8b34-dbf26f81c6b0"
  }
}