Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/53381",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-60ae71f9-d75a-4292-955d-aa35f5f1ac33",
      "cw-f6286383-cb7f-40a6-bc37-8e4cdabd6b8e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3bd268db-5b76-4e72-8ca8-c4a9b3f208cc",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/53381",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f6286383-cb7f-40a6-bc37-8e4cdabd6b8e"
  }
}