Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3439815",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-83a6361f-9c61-4e28-b69f-bc8ca2110e4c",
      "cw-207b7145-278e-46d2-a418-d27c3839af78"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-8be560ce-5949-4f77-8208-d03aeb20ce57",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3439815",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-207b7145-278e-46d2-a418-d27c3839af78"
  }
}