CrystalDecisions.CrystalReports. Engine.DataSourceException: Query Engine Error

Colleagues I am with the problem cited in the subject of this email.
That the problem alone only occurs in the machine of the customer, in
mine where I am developing the project, everything occurs perfect.

It follows below the code that I am placing to fill the DataSet.

String strConn = ConfigurationSettings.AppSettings
["ConnectionString"];

SqlConnection connection = new SqlConnection(strConn);

// SqlConnection connection = new SqlConnection("user
id=sa;password=38714659;initial catalog=stiweb_bayer;data
source=200.162.212.83; Timeout=500");

SqlDataAdapter dadap = new SqlDataAdapter(dml, connection);

dstLigPart dataset = new dstLigPart();

dadap.Fill(dataset, "vwLigPartBayer");

DataTable vdtI = dataset.Tables["vwLigPartBayer"];

int vintTRow = vdtI.Rows.Count;

CrystalReportViewer1.SeparatePages = (Boolean) Session["PPAG"];

oRpt.SetDataSource(dataset);

CrystalReportViewer1.ReportSource = oRpt;