Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4002428",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b6e5b2c2-b76e-406d-85ce-9c48947e0ae2",
      "cw-cb9b6c24-c811-4b76-adac-4450536d847a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-0540014f-7ce7-4acc-a130-f7fcbb692eff",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4002428",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-cb9b6c24-c811-4b76-adac-4450536d847a"
  }
}