Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/14218",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d00e4a16-1771-448e-a496-0a5c5f69d2d2",
      "cw-f74efeb3-f0a3-4bcf-a3b0-f900ed1e45ed"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e4cd3893-99e6-491a-8289-734cff8f6b48",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/14218",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f74efeb3-f0a3-4bcf-a3b0-f900ed1e45ed"
  }
}