Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4137337",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b428d214-b2b2-4da3-8042-ee62f5ba5593",
      "cw-2d3fb8b2-a89a-4e29-9f51-1ddf60a2d069"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5bfb3521-c03c-4f88-ab4a-8d50343fc567",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4137337",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2d3fb8b2-a89a-4e29-9f51-1ddf60a2d069"
  }
}