[Critical] Unhandled Exception: Culture "en" is a neutral culture. It can not be used in formatting and parsing and therefore ca

I just got this error when I tried to grabb EPG data. My server also setup with WG2MP.exe. so all data is gather successfully. But when it try to convert time then received this error.  Please check attached file for the log file. 

[Critical] Unhandled Exception
[Critical]
Culture "en" is a neutral culture. It can not be used in formatting and parsing and therefore cannot be set as the thread's current culture.
[Critical]
  at System.Globalization.CultureInfo.CheckNeutral () [0x00000] in <filename unknown>:0
  at System.Globalization.CultureInfo.get_DateTimeFormat () [0x00000] in <filename unknown>:0
  at System.Globalization.CultureInfo.GetFormat (System.Type formatType) [0x00000] in <filename unknown>:0
  at System.Globalization.DateTimeFormatInfo.GetInstance (IFormatProvider provider) [0x00000] in <filename unknown>:0
  at System.DateTime.ToString (System.String format, IFormatProvider provider) [0x00000] in <filename unknown>:0
  at WGconsole.SiteIni.UrlBuilder (WGconsole.ChannelToUpdate chan, Int32 day, Int32 pagenbr, Boolean subpage, WGconsole.Scrub scrub) [0x00000] in <filename unknown>:0
  at WGconsole.Program.ConsoleApplication (System.String[] args) [0x00000] in <filename unknown>:0
[Critical] For detailed info, see log file /home/sports/./WebGrab++.log.txt
[Critical] Execution stopped

Please help me to fix this issue. Thanks