Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/11819",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d282da96-9ba2-4ed6-b5c8-ef99e42feede",
      "cw-123308ab-2984-4092-b6a5-190e418e8ab5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bab2bc0c-3ed2-493b-b284-46fcb3d4cc56",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/11819",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-123308ab-2984-4092-b6a5-190e418e8ab5"
  }
}