Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3906958",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-945271f8-242f-4900-9f52-61aba33cb7d4",
      "cw-401fed23-ed10-411a-95d2-3ed2a71bc29d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bb5246b0-7a70-4650-9e61-1e27d8ce9c40",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3906958",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-401fed23-ed10-411a-95d2-3ed2a71bc29d"
  }
}