Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/7975989",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-cb3c96a9-1e4c-47c4-9e9c-f42b9155c087",
      "cw-0690d3f1-e5c5-4fa0-8d0f-e7a74f6ea1ab"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a6d47023-7dd9-4f7d-a965-2587e0251651",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/7975989",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0690d3f1-e5c5-4fa0-8d0f-e7a74f6ea1ab"
  }
}