Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/50230",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f12d8c51-c44b-4cf3-966c-030b4cedd6ec",
      "cw-fd969e8b-9567-4da5-b6e7-bf54cc05e262"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b4930a1f-8f1f-452e-a728-6e8f5f1d0660",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/50230",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-fd969e8b-9567-4da5-b6e7-bf54cc05e262"
  }
}