Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12607743",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fb5e825e-0645-45d7-8e2d-fedeff8e28b3",
      "cw-c8c3e564-51b1-4d62-9ff5-d210ea136c31"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-86a049c5-4b56-4640-97b6-49b2ba7adb8b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12607743",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c8c3e564-51b1-4d62-9ff5-d210ea136c31"
  }
}