Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3729046",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-95f54521-4173-4fad-a859-ec0e88a4fc00",
      "cw-87e9f806-d16c-4ea6-aab6-d8841e175529"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fb9feb6e-2edd-4adf-bad1-7d80b252bcc3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3729046",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-87e9f806-d16c-4ea6-aab6-d8841e175529"
  }
}