Enterprise Log Lib Serilog Listener

SerilogTraceListener.cs

    [ConfigurationElementType(typeof(CustomTraceListenerData))]
    public class SerilogTraceListener: CustomTraceListener
    {
        public override void Write(string message)
        {
            
        }

        public override void WriteLine(string message)
        {
            
        }

        public override void TraceData(TraceEventCache eventCache, string source, TraceEventType eventType, int id, object data)
        {
            if (data is LogEntry logEntry)
            {
                var logLevel = GetLogLevel(logEntry.Severity);
                var logger = Log.Logger;
                foreach (var extendedProperty in logEntry.ExtendedProperties)
                {
                    logger = logger.ForContext(extendedProperty.Key, extendedProperty.Value);
                }

                var exception = string.IsNullOrWhiteSpace(logEntry.ErrorMessages)
                    ? null
                    : new Exception(logEntry.ErrorMessages);
                logger.Write(logLevel, exception, logEntry.Message);
                return;
            }
            base.TraceData(eventCache, source, eventType, id, data);
        }

        private LogEventLevel GetLogLevel(TraceEventType severity)
        {
            switch (severity)
            {
                case TraceEventType.Critical:
                    return LogEventLevel.Fatal;
                case TraceEventType.Error:
                    return LogEventLevel.Error;
                case TraceEventType.Warning:
                    return LogEventLevel.Warning;
                case TraceEventType.Information:
                    return LogEventLevel.Information;
                case TraceEventType.Verbose:
                    return LogEventLevel.Debug;
                case TraceEventType.Start:
                    return LogEventLevel.Information;
                case TraceEventType.Stop:
                    return LogEventLevel.Information;
                case TraceEventType.Suspend:
                    return LogEventLevel.Information;
                case TraceEventType.Resume:
                    return LogEventLevel.Information;
                case TraceEventType.Transfer:
                    return LogEventLevel.Information;
                default:
                    throw new ArgumentOutOfRangeException(nameof(severity), severity, null);
            }
        }
    }

Web.config

<configuration>
  <configSections>
    <section name="loggingConfiguration" type="Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.LoggingSettings, Microsoft.Practices.EnterpriseLibrary.Logging, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="true" />
  </configSections>
  <loggingConfiguration name="Logging" tracingEnabled="false" defaultCategory="General">
    <listeners>
	<add name="Serilog Trace Listener" type="AllianzGlobalAssistAU.Roadside.WebSite.Bmw.Helper.SerilogTraceListener, AllianzGlobalAssistAU.Roadside.WebSite.Bmw" listenerDataType="Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.CustomTraceListenerData, Microsoft.Practices.EnterpriseLibrary.Logging" />
    </listeners>
    <categorySources>
      <add switchValue="All" name="General">
        <listeners>
           <add name="Serilog Trace Listener" />
        </listeners>
      </add>
  </loggingConfiguration>
</configuration>