Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12356471",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d3629280-73d1-4ced-a526-772af3d8df8a",
      "cw-ba5a7c39-ae4d-43fe-bb27-ef90d7f3e261"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-aaee79d8-93f2-4419-900a-21cfe0567e46",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12356471",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ba5a7c39-ae4d-43fe-bb27-ef90d7f3e261"
  }
}