Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/2256746",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d50c6a29-5f6b-4135-a5ae-2ac3086e1ca3",
      "cw-3f36f509-267a-4e87-bdcd-e3513069eb68"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e726df65-9037-4afa-91b9-65a4ad684946",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/2256746",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3f36f509-267a-4e87-bdcd-e3513069eb68"
  }
}