Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6603457",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a6d52581-ee14-4052-8737-f68ae1f5eb6d",
      "cw-37562bbc-6a21-4d35-bab2-b454e9dbcf85"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cb1fc502-2eea-4c47-a0d7-7e48c0f1bfed",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6603457",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-37562bbc-6a21-4d35-bab2-b454e9dbcf85"
  }
}