資料庫查詢語法錯誤!

SELECT TOP 1 QC_Name FROM LY_QuestionClass WHERE QC_Serial = 13 AND QC_Available = 1 AND QC_On = 1

System.Data.OleDb.OleDbException (0x80004005): System resource exceeded. at System.Data.OleDb.OleDbCommand.ExecuteCommandTextErrorHandling(OleDbHResult hr) at System.Data.OleDb.OleDbCommand.ExecuteCommandTextForSingleResult(tagDBPARAMS dbParams, Object& executeResult) at System.Data.OleDb.OleDbCommand.ExecuteCommandText(Object& executeResult) at System.Data.OleDb.OleDbCommand.ExecuteCommand(CommandBehavior behavior, Object& executeResult) at System.Data.OleDb.OleDbCommand.ExecuteReaderInternal(CommandBehavior behavior, String method) at System.Data.OleDb.OleDbCommand.ExecuteScalar() at ccioo.Data.DB.ExecuteScalar(String myQuery)