Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12979690",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-416d7005-f6f4-4f88-a268-1025b03399a3",
      "cw-cad70653-f904-4968-8aec-e6374064a01b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-0e765b03-5f11-432f-99e6-a373216bf8d0",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12979690",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-cad70653-f904-4968-8aec-e6374064a01b"
  }
}