Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/683868",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f8e43a5a-de34-4d71-a31a-ee07888eead4",
      "cw-926fd4dd-b6d9-4850-a022-98859d0e010d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fb37778a-a3e9-4da7-a2f6-ccbda7f23639",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/683868",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-926fd4dd-b6d9-4850-a022-98859d0e010d"
  }
}