Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/52025",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ca3c186a-f263-4bc2-ad2c-9059a9cb35e1",
      "cw-f947f2c3-2a0f-4be0-95e5-cf1608f1fdb4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-260b84b0-73e1-4bcd-9ca6-23ad1fff4a8a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/52025",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f947f2c3-2a0f-4be0-95e5-cf1608f1fdb4"
  }
}