Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/578725",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d2f3aed3-d3ba-4ed5-85f3-9e1bf130a431",
      "cw-c49a894d-86cf-47b9-9535-5eced44e8bff"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-49bf9361-d45e-446f-9b49-50f769854e09",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/578725",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c49a894d-86cf-47b9-9535-5eced44e8bff"
  }
}