请问在Josef silny这家成绩评估机构上做成绩评估，每次在网上填写完申请表，然后点击confirm and finish，就会出现错误网页，上面写
Server Error in Services Application.String or binary data would be truncated.The statement has been terminated.Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.Exception Details: System.Data.SqlClient.SqlException: String or binary data would be truncated.The statement has been terminated.Source Errorine 317:        command.Transaction = transactionLine 318ine 319:        command.ExecuteNonQuery()Line 320ine 321:        transaction.Commit()Source File: d:\inetpub\wwwroot\Services\App_Code\ApplicationHelper.vb    Line: 319
请问是怎么回事，该怎么解决呢？我试过换各种浏览器，都没有用