Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/13922",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0f976f45-d554-4128-bc05-0ed09cb16826",
      "cw-218f83c5-7937-4149-bdc8-6c755f878eee"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-28afa698-f724-4abd-a6c5-166a2ea1cfc9",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/13922",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-218f83c5-7937-4149-bdc8-6c755f878eee"
  }
}