Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6517238",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f177d50f-cdcf-41cd-88fa-be2e52bc439e",
      "cw-8b6949d5-cc99-47fc-a1d0-86877bf6ce73"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-dc81139c-b1fb-4c34-bf7a-66c409934b62",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6517238",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8b6949d5-cc99-47fc-a1d0-86877bf6ce73"
  }
}