Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/38300",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3b17e425-d3a3-431d-afc6-34c168907583",
      "cw-47866953-1376-46bc-b532-2b7639e80c65"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-55b1264f-a465-40da-9a38-fa030e495db4",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/38300",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-47866953-1376-46bc-b532-2b7639e80c65"
  }
}