Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/52737",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c56c0408-47ec-428d-b8e7-cf69a8aabe42",
      "cw-28821d92-0852-4adb-8d1a-084063a2263e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b6ed4d9e-170a-49bc-9a6f-a1442cf973b3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/52737",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-28821d92-0852-4adb-8d1a-084063a2263e"
  }
}