Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/27240",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3ec440fa-a16d-411a-99b3-10445587ccde",
      "cw-8163db08-9faa-4068-ba91-a58e486a1213"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5afb6216-58db-4304-976d-e3e98fa68ad5",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/27240",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8163db08-9faa-4068-ba91-a58e486a1213"
  }
}