Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/11729969",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1157bedb-04ea-49a2-9b8e-f399632f4b5f",
      "cw-1f620835-aaad-46c5-852b-5dc786884f79"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-561fd038-0ee3-409b-8f7b-c1ad75d9b5f8",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/11729969",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1f620835-aaad-46c5-852b-5dc786884f79"
  }
}