Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/15433",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e56dfd14-cc65-4618-9391-f3feac5a1790",
      "cw-28a42957-d624-4edf-9f26-5844eee8ce30"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2e5a5d60-c6b4-49a2-ae0e-21164bb7a6df",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/15433",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-28a42957-d624-4edf-9f26-5844eee8ce30"
  }
}