Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4719894",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9e7289d7-2ada-4be3-93fa-c6e06bb927ee",
      "cw-e41e0146-03fc-4501-8f44-0e003b5d1a64"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6620080b-b55e-497b-9e96-718891bb08b9",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4719894",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e41e0146-03fc-4501-8f44-0e003b5d1a64"
  }
}