Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/13120",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-aede2274-6247-47b8-912e-b801ee01bbf4",
      "cw-d24b05ad-1798-4fe7-85b9-b3ac2d172dfc"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-eb1cc59c-8161-4658-8682-1405cfc2bcf8",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/13120",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d24b05ad-1798-4fe7-85b9-b3ac2d172dfc"
  }
}