Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/578731",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f24693f9-200e-47f0-9b76-c957dfce2e19",
      "cw-19f40341-4f82-424e-a3c4-1e3c6415a364"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5f0181a7-f223-4a8b-af5a-3acadb05548b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/578731",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-19f40341-4f82-424e-a3c4-1e3c6415a364"
  }
}