Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/579980",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e750d44c-1ebf-4fb2-90a8-714577957e60",
      "cw-4a0dc250-e43e-4866-95fd-ce18dfc0df07"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1ead9793-8402-4c89-b741-497baf34b714",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/579980",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4a0dc250-e43e-4866-95fd-ce18dfc0df07"
  }
}