Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/579290",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-75e0b7fd-0009-478e-a2d5-ebeb11c5d024",
      "cw-7e692901-7b79-418f-a4d1-4ec8d5538051"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-229c07a3-1d46-4333-bf61-83563844745b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/579290",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7e692901-7b79-418f-a4d1-4ec8d5538051"
  }
}