Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4178684",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b5a5dafc-8df5-47df-ad59-ecb0524be6d2",
      "cw-d4194a15-388e-4df9-8a66-3a1b544f6263"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-11aeacae-1cf2-434e-846e-49f84a845de0",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4178684",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d4194a15-388e-4df9-8a66-3a1b544f6263"
  }
}