Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/53025",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d6bc3a97-6935-4e05-827b-f636cdcd63c7",
      "cw-abcb1fd0-0f7f-4773-be72-cb9707c10532"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a04ad7f6-bd96-4bb1-bda6-4afa5e3e38ab",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/53025",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-abcb1fd0-0f7f-4773-be72-cb9707c10532"
  }
}