Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4870576",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-425cd180-20fd-47f2-9b63-815c7c09b437",
      "cw-e0cf5336-607c-4cc9-a965-7edac7eaf2a8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b159f6d7-7586-4df6-b8c9-fb6fc7e8300e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4870576",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e0cf5336-607c-4cc9-a965-7edac7eaf2a8"
  }
}