Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/19867",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4d6b70c4-84b5-4a7a-a6c2-35b47e78727b",
      "cw-bf1e2e6e-e921-491c-84b6-c614a0f26849"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-00ebb179-d438-4537-a50e-e5357df0e787",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/19867",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-bf1e2e6e-e921-491c-84b6-c614a0f26849"
  }
}