Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/50242",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5e2f7760-41ec-45fc-aaa9-6d9a8e332e75",
      "cw-1671cda0-df4e-482a-afe0-9e40f78f8d5d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a4498075-4ec9-4d96-9da2-cc5d003f1081",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/50242",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1671cda0-df4e-482a-afe0-9e40f78f8d5d"
  }
}