Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/5721989",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-07af34ae-53b2-4b45-998f-f3c5dcb3da1c",
      "cw-3e770a57-4680-4583-afa9-e6bd7428f436"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4a039e16-3966-4116-8ed2-2ab58fafbc2a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/5721989",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3e770a57-4680-4583-afa9-e6bd7428f436"
  }
}