錯誤都無法指出, 叫人怎找出錯誤的原因?!

本人估計是本人開發的網站太多人瀏覽, 而資料庫方面是使用 Microsoft Access Database (很多歷史的原因), 結果同時間太多人瀏覽的話, 便會因太多 lock 寫進了 .ldb 檔案 (最強是4k), 結果其他人便不能 lock 而出現這個錯誤了。

System.Data.OleDb.OleDbException: 無法指出的錯誤

at System.Data.OleDb.OleDbConnectionInternal..ctor(OleDbConnectionString constr, OleDbConnection connection)
at System.Data.OleDb.OleDbConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject)
at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup)
at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
at System.Data.OleDb.OleDbConnection.Open()
at System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable)
at System.Web.UI.WebControls.SqlDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments)
at System.Web.UI.WebControls.AccessDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments)
at System.Web.UI.WebControls.SqlDataSource.Select(DataSourceSelectArguments arguments)