Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/25927",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-707978bb-9d68-4971-9fcf-e49427927f9b",
      "cw-e40f03f5-95d2-4a22-815c-b4c7b986190c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-57d7c127-30f8-41c9-8b55-2a750c5bdd66",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/25927",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e40f03f5-95d2-4a22-815c-b4c7b986190c"
  }
}