Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6430",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c97eac10-1cae-46a2-93c2-b41c5818ed31",
      "cw-e82fcbbe-eb7d-4272-aad4-21c88c79f73a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fc0c838a-c823-4f67-8443-35a592067a7d",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6430",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e82fcbbe-eb7d-4272-aad4-21c88c79f73a"
  }
}