Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/74382",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8f40aec8-17d2-4bc2-8bb8-ea05c290b3a1",
      "cw-8199f340-a01e-4309-82b9-add12a5e9ee5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1afbdb0b-312a-4876-968c-dec16fed5c44",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/74382",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8199f340-a01e-4309-82b9-add12a5e9ee5"
  }
}