Can not find symbol

Hello! I am facing a problem. 
My version:
  permission_handler 10.4.5 (12.0.1 available)
  permission_handler_android 10.3.6 (13.0.1 available)
My error:
error: cannot find symbol
            this.pluginRegistrar.addRequestPermissionsResultListener(this.permissionManager);
                ^
  symbol: variable pluginRegistrar
3 errors