Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/579938",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-efb66a23-d584-442b-93ae-32d3dacab8f2",
      "cw-9128747b-2a0e-4eb9-8aef-2da2df7c7868"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-dc8fce15-56a6-4817-b1d8-62150db5ebe3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/579938",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9128747b-2a0e-4eb9-8aef-2da2df7c7868"
  }
}