Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/29142",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2e8503a3-3951-43a9-8428-a68f0e4377a9",
      "cw-f456daef-0b1d-4d44-a7df-cfdc6ac5bb5c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-11d651ef-4b17-4a7b-a43d-6eb95f1bd163",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/29142",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f456daef-0b1d-4d44-a7df-cfdc6ac5bb5c"
  }
}