Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/53145",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a565d017-7e17-4775-ba1c-a63525251c23",
      "cw-71f87cd4-8305-4132-bd31-4b39a5591fa1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7edff817-5307-4564-927e-55e1bb07399f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/53145",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-71f87cd4-8305-4132-bd31-4b39a5591fa1"
  }
}