Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/44584",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f94a7ddc-e961-41e8-9559-ec8f9a1133d4",
      "cw-1c3b0edb-33b8-4ad4-ab50-1d28e96360b5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-db385d07-834f-4425-98ab-9006a467784b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/44584",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1c3b0edb-33b8-4ad4-ab50-1d28e96360b5"
  }
}