plugin not working

I went to setup my sprinklers for this summer... and i get these errors everytime i ttry and get the timers

-13 2:45:38 PM SimpleHomeNet Error An unexpected error occured in the HSEvent() function/subroutine: [System.InvalidCastException: Conversion from string "" to type 'Integer' is not valid. ---> System.FormatException: Input string was not in a correct format. at Microsoft.VisualBasic.CompilerServices.Conversions.ParseDoub le(String Value, NumberFormatInfo NumberFormat) at Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger (String Value) --- End of inner exception stack trace --- at Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger (String Value) at HSPI_SIMPLEHOMENET.HSPI.HSEvent(HSEvent EventType, Object[] parms)]
Jun-13 2:45:38 PM EZFlora Error Error transmitting message to get program 1 timers for device with address 1E.79.14
Jun-13 2:45:00 PM weatherXML Check timer items
Jun-13 2:44:32 PM SimpleHomeNet Error An unexpected error occured in the HSEvent() function/subroutine: [System.InvalidCastException: Conversion from string "" to type 'Integer' is not valid. ---> System.FormatException: Input string was not in a correct format. at Microsoft.VisualBasic.CompilerServices.Conversions.ParseDoub le(String Value, NumberFormatInfo NumberFormat) at Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger (String Value) --- End of inner exception stack trace --- at Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger (String Value) at HSPI_SIMPLEHOMENET.HSPI.HSEvent(HSEvent EventType, Object[] parms)]
Jun-13 2:44:32 PM EZFlora Error Error transmitting message to get program 1 timers for device with address 1E.79.14
Jun-13 2:44:00 PM weatherXML Check timer items
Jun-13 2:43:45 PM SimpleHomeNet Error An unexpected error occured in the HSEvent() function/subroutine: [System.InvalidCastException: Conversion from string "" to type 'Integer' is not valid. ---> System.FormatException: Input string was not in a correct format. at Microsoft.VisualBasic.CompilerServices.Conversions.ParseDoub le(String Value, NumberFormatInfo NumberFormat) at Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger (String Value) --- End of inner exception stack trace --- at Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger (String Value) at HSPI_SIMPLEHOMENET.HSPI.HSEvent(HSEvent EventType, Object[] parms)]
Jun-13 2:43:44 PM EZFlora Error Error transmitting message to get manual timers for device with address 1E.79.14