Использование stack trace и поиск ошибки

The OleDbCommand is currently busy Open, Fetching. 
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.InvalidOperationException: The OleDbCommand is currently busy Open, Fetching.

Source Error: 

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.  

Stack Trace: 

[InvalidOperationException: The OleDbCommand is currently busy Open, Fetching.]
   System.Data.OleDb.OleDbCommand.OnSchemaChanging() +58
   System.Data.OleDb.OleDbCommand.set_CommandText(String value) +77
   Dict.cTranslate.Translate_Other_ChR(String Word, OleDbDataReader& drOther, OleDbCommand& cm, String[]& arrTexts, String[]& arrValues, String[]& arrColors, String& vTime, String LangFrom) in E:DictTranslatecTranslate.vb:1680
   Dict.cTranslate.TranslateWord(String Word, String[]& arrTexts, String[]& arrValues, String[]& arrColors) in E:DictTranslatecTranslate.vb:741
   Dict.cTranslate.Parser(String[] arrWords) in E:DictTranslatecTranslate.vb:165
   Dict.Translate.btnRus_Click(Object sender, EventArgs e) in E:DictTranslateTranslate.aspx.vb:55
   System.Web.UI.WebControls.Button.OnClick(EventArgs e) +108
   System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +57
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +18
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
   System.Web.UI.Page.ProcessRequestMain() +1258