Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/15371930",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-379c7e22-5efa-4bd0-8c4b-cadfb5ee7934",
      "cw-83893fb5-6331-4cbf-bbb8-692f5ca5ca85"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1f3445c6-5497-49f8-8aed-453adc8c87b3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/15371930",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-83893fb5-6331-4cbf-bbb8-692f5ca5ca85"
  }
}