Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4661851",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e59f67bd-7d44-4535-929c-f3b652662050",
      "cw-3f4cbd63-6fae-478e-b7f7-66d6f5b005a4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-19ed8b07-1d8e-4dad-885a-be02c2fe8f9d",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4661851",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3f4cbd63-6fae-478e-b7f7-66d6f5b005a4"
  }
}