Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4309947",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fa3ee0a0-6d5b-4e4f-ad8a-9925c13c294d",
      "cw-576845c2-8831-4ace-9791-e49a317829d2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-437ad0a1-0e5d-4b9e-a2ab-ce016d20242f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4309947",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-576845c2-8831-4ace-9791-e49a317829d2"
  }
}