System.ArgumentException: Column 'BefAmount' does not belong to table RetDataSet.
   at System.Data.DataRow.get_Item(String columnName)
   at Libraries.FeesStatic.MultiCorpFeesDebt2Statist(DataTable Data)    2017/8/7 13:39:49 

System.ArgumentException: Column 'BefAmount' does not belong to table RetDataSet.
   at System.Data.DataRow.get_Item(String columnName)
   at Libraries.FeesStatic.MultiCorpFeesDebt2Statist(DataTable Data)    2017/8/7 13:41:16 

System.ArgumentException: Column 'BefAmount' does not belong to table RetDataSet.
   at System.Data.DataRow.get_Item(String columnName)
   at Libraries.FeesStatic.MultiCorpFeesDebt2Statist(DataTable Data)    2017/8/7 14:51:37 

System.ArgumentException: Column 'BefAmount' does not belong to table RetDataSet.
   at System.Data.DataRow.get_Item(String columnName)
   at Libraries.FeesStatic.MultiCorpFeesDebt2Statist(DataTable Data)    2017/8/7 18:07:29 

System.ArgumentException: Column 'BefAmount' does not belong to table RetDataSet.
   at System.Data.DataRow.get_Item(String columnName)
   at Libraries.FeesStatic.MultiCorpFeesDebt2Statist(DataTable Data)    2017/8/7 18:08:14 

System.ArgumentException: Column 'BefAmount' does not belong to table RetDataSet.
   at System.Data.DataRow.get_Item(String columnName)
   at Libraries.FeesStatic.MultiCorpFeesDebt2Statist(DataTable Data)    2017/8/7 18:08:24