Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4039380",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0676edb4-d4b9-4602-8089-84f8b9a5ca00",
      "cw-7e355759-6df2-4fd2-9849-0690a6f04a3c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-566da542-329d-434f-b98a-09f9652f6b46",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4039380",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7e355759-6df2-4fd2-9849-0690a6f04a3c"
  }
}