Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6069440",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0beb207c-ad61-451d-9ce6-9926f3db438b",
      "cw-8b499f08-b023-488f-b2dd-69c1990c19ac"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-dae36630-f9ca-4716-b96b-63cb876066a8",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6069440",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8b499f08-b023-488f-b2dd-69c1990c19ac"
  }
}