Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4339336",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4f7dce0d-3f4d-459d-b542-41c9d0c0274c",
      "cw-e7e80594-1c50-46a1-b367-16f0601cb5fc"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-de1083c2-2268-4137-9d2a-de12e7541ae6",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4339336",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e7e80594-1c50-46a1-b367-16f0601cb5fc"
  }
}