Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/15986143",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-78a3dd2e-e225-4c17-8f0f-7f172fb01319",
      "cw-0783eb00-1e79-4dd9-8cb7-169f7b13e34e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bc671216-cc8b-4ade-ad90-96518c4d3960",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/15986143",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0783eb00-1e79-4dd9-8cb7-169f7b13e34e"
  }
}