Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4011729",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-22fdeb33-b827-4267-ba63-23f07ea5fdea",
      "cw-99fb8b59-721d-44e0-8853-09f2aa2030c8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7a738c97-4236-4b15-8187-205b12e48005",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4011729",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-99fb8b59-721d-44e0-8853-09f2aa2030c8"
  }
}