Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/25202",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3d25dcf7-526d-4cb6-af8e-b462ec71efe6",
      "cw-fdefa86c-096c-468c-9e68-df580167c832"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b0559613-4870-4220-b732-52acb16ee7e7",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/25202",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-fdefa86c-096c-468c-9e68-df580167c832"
  }
}