Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/5620209",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-57f5b7e9-947f-47a1-bbb5-9dc4b73f5a70",
      "cw-f8e42119-4c17-4dc4-821e-1fdd7721f9dd"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7109e265-0856-4fe0-9327-7ae361c76bba",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/5620209",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f8e42119-4c17-4dc4-821e-1fdd7721f9dd"
  }
}