Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/62723",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f09a5787-fbfa-4471-84cc-1534c4f631e8",
      "cw-276da171-406a-4c06-bd19-f64572730c75"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7eaf4709-3159-41c4-8564-ede42f1e0238",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/62723",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-276da171-406a-4c06-bd19-f64572730c75"
  }
}