Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3490179",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-73b4e4f2-5b0e-487f-aa57-00da2f4914c2",
      "cw-267fbbf3-f3ba-4298-a971-20ae55d738e3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-08ed01ea-fc0c-436b-9fc8-b3d4edc6a3d3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3490179",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-267fbbf3-f3ba-4298-a971-20ae55d738e3"
  }
}