Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4259473",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c43bbb4a-8f72-42b8-8682-f3b464fc6356",
      "cw-07bb9259-2231-4d9e-b643-b51d3882971b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-46fc9f2a-4912-4774-9a8b-48ff9e2dc1bb",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4259473",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-07bb9259-2231-4d9e-b643-b51d3882971b"
  }
}