Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6403659",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-cdcf1e97-e836-4287-b859-bcdc2a268533",
      "cw-37134aa4-370a-4d7e-aebf-2a8645e85547"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3ac43fb7-5c15-4efa-a930-403b5f5dd0d2",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6403659",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-37134aa4-370a-4d7e-aebf-2a8645e85547"
  }
}