Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4126584",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a70f5a95-01a8-4cb5-99c5-a40c5c61e2e4",
      "cw-ecac31fb-8d7e-49fe-bb00-8d3319339086"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e43c20ee-b7c2-4f01-b006-f4f5948c996c",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4126584",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ecac31fb-8d7e-49fe-bb00-8d3319339086"
  }
}