Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/579131",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-839bb5d1-d591-41a3-8713-deb25837bf89",
      "cw-9992ea58-0722-4d31-8ba7-7e4296534cf0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-61cd6d21-5dbf-4965-889e-e0fa79e8d3d6",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/579131",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9992ea58-0722-4d31-8ba7-7e4296534cf0"
  }
}