Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/50038",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7dbbe71e-cbd8-4297-b133-4da97bd2a06d",
      "cw-72cc3ac8-e274-43b0-a89b-a2dcc51243be"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5354ec63-d0d2-4f14-8e70-e2412e2c3436",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/50038",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-72cc3ac8-e274-43b0-a89b-a2dcc51243be"
  }
}