Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/579906",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2b5b582e-783e-4ae9-8c9d-e562142ac706",
      "cw-64bcf441-dd64-4393-9eb4-7928fea01cb8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a87c20ec-f035-49da-b80c-30eb72f793a2",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/579906",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-64bcf441-dd64-4393-9eb4-7928fea01cb8"
  }
}