Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4258866",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1534cf8e-b69f-4e04-84ef-2642ed433234",
      "cw-eb0ae695-e2fa-442e-a942-461cfb1e1110"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cae3eb97-7b9b-4f36-a717-ef403d31e4a7",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4258866",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-eb0ae695-e2fa-442e-a942-461cfb1e1110"
  }
}