Forum Post: LSRetailPosis.POSProcesses.POSApp: System.Data.SqlClient.SqlException (0x80131904): Invalid column name 'HSNCODE_IN'. Invalid column name 'SERVICEACCOUNTINGCODE_IN'. Invalid column name 'EXEMPT_IN' In retail POS CU 9

HI Everyone, I'm facing issue in Retail POS in event viewer. changed in blank operation and transaction trigger. but i revert all my changes (Apply default DLLs) also revert all SQL changes but still facing issue. when i'm going to perform my transaction and click on cash it do not store data into db and show failure to store transactions. Please provide solution. LSRetailPosis.POSProcesses.POSApp: System.Data.SqlClient.SqlException (0x80131904): Invalid column name 'HSNCODE_IN'. Invalid column name 'SERVICEACCOUNTINGCODE_IN'. Invalid column name 'EXEMPT_IN'. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady) at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, SqlDataReader ds) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean asyncWrite) at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(TaskCompletionSource`1 completion, String methodName, Boolean sendToPipe, Int32 timeout, Boolean asyncWrite) at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at LSRetailPosis.DataAccess.DataUtil.DBUtil.Execute(SqlInsert SqlInsert) at LSRetailPosis.DataAccess.TransactionItemData.Save(SaleLineItem saleItem) at LSRetailPosis.DataAccess.TransactionData.SaveRetailTransaction(RetailTransaction transAction) ClientConnectionId:a7725786-4939-488c-8198-f4649e422f7a.