Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/66283",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1eabae0d-e4c5-4709-a734-eca4e29b84d2",
      "cw-210dbb58-f42c-40ee-be13-2b7cf1e8d4ac"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-afb2b3af-a41f-4ade-88a5-087f496b2b98",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/66283",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-210dbb58-f42c-40ee-be13-2b7cf1e8d4ac"
  }
}