Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68319",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9cba41b3-4d88-415a-af57-343a09b974fb",
      "cw-91227d77-1e67-488b-950a-002bebdfff74"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b3a1d28a-41a9-4eb8-b009-bb92f97ad8ac",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68319",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-91227d77-1e67-488b-950a-002bebdfff74"
  }
}