Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/22121",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e4e6bdb8-59ab-4857-bd7e-43d71f2a451e",
      "cw-eac854c3-83d1-4a09-8a17-3faf363c96bb"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2037ef98-6661-40c6-8c7a-94ac4e0491fc",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/22121",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-eac854c3-83d1-4a09-8a17-3faf363c96bb"
  }
}