InvalidOperationException out of the blue

[kosta]

hello!

I have this code:

public static DataSet DSet(String sql)
{
OleDbConnection con = new OleDbConnection();
con.ConnectionString =
ConfigurationSettings.AppSettings["conString"];
OleDbCommand cmd = new OleDbCommand(sql,con);
OleDbDataAdapter adp = new OleDbDataAdapter(cmd);
DataSet ds = new DataSet();
adp.Fill(ds);
return ds;
}

it ran fine untill about yesterday, but suddnely now i always get the
said exception (referring to the second line of the function)... the
help text is: GetConfig was called during configuration initialization

i have no idea why is suddnely started appearing... please help!
thanks!

Best Regards,
Kosta.

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