Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4012192",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0a53c417-4248-45aa-9642-6e1e8b61c993",
      "cw-607f8af2-351a-4355-8856-0d9ca789e47e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4dd827b1-9a45-4e33-8f3b-553bd0f97e86",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4012192",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-607f8af2-351a-4355-8856-0d9ca789e47e"
  }
}