Object reference not set to an instance of an object

[suetpooi]

I get the alert message when I click preview, below is the full message:
----------------------------
[General Info]

Application: SmartIMSClient
Framework: v4.0.30319
Version: Version: 2018.2.1 from 9 April 2018
MachineName: RND
OSVersion: Microsoft Windows NT 6.2.9200.0
UserName: User

----------------------------
[Exception Info]
Message: Object reference not set to an instance of an object.

Source: Stimulsoft.Report.Design

StackTrace:
at Stimulsoft.Report.Design.StiRibbonDesigner.GlobalEvents_PreviewingReportInDesigner(Object sender, EventArgs e)
at System.EventHandler.Invoke(Object sender, EventArgs e)
at Stimulsoft.Report.StiOptions.Engine.GlobalEvents.InvokePreviewingReportInDesigner(IStiDesignerBase designer)
at Stimulsoft.Report.Design.Controls.StiDesignerPreviewControl.btRefresh_Click(Object sender, EventArgs e)

----------------------------
[Assemblies]
ButtonVisibility, Version = 2.0.0.0
DevExpress.BonusSkins.v17.2, Version = 17.2.4.0
DevExpress.Data.v17.2, Version = 17.2.4.0
DevExpress.PivotGrid.v17.2.Core, Version = 17.2.4.0
DevExpress.Printing.v17.2.Core, Version = 17.2.4.0
DevExpress.RichEdit.v17.2.Core, Version = 17.2.4.0
DevExpress.Spreadsheet.v17.2.Core, Version = 17.2.4.0
DevExpress.Utils.v17.2, Version = 17.2.4.0
DevExpress.XtraBars.v17.2, Version = 17.2.4.0
DevExpress.XtraCharts.v17.2, Version = 17.2.4.0
DevExpress.XtraCharts.v17.2.UI, Version = 17.2.4.0
DevExpress.XtraCharts.v17.2.Wizard, Version = 17.2.4.0
DevExpress.XtraEditors.v17.2, Version = 17.2.4.0
DevExpress.XtraGrid.v17.2, Version = 17.2.4.0
DevExpress.XtraLayout.v17.2, Version = 17.2.4.0
DevExpress.XtraNavBar.v17.2, Version = 17.2.4.0
DevExpress.XtraPivotGrid.v17.2, Version = 17.2.4.0
DevExpress.XtraReports.v17.2, Version = 17.2.4.0
DevExpress.XtraRichEdit.v17.2, Version = 17.2.4.0
DevExpress.XtraRichEdit.v17.2.Extensions, Version = 17.2.4.0
DevExpress.XtraScheduler.v17.2, Version = 17.2.4.0
DevExpress.XtraScheduler.v17.2.Core, Version = 17.2.4.0
DevExpress.XtraScheduler.v17.2.Extensions, Version = 17.2.4.0
DevExpress.XtraSpreadsheet.v17.2, Version = 17.2.4.0
DevExpress.XtraTreeList.v17.2, Version = 17.2.4.0
DevExpress.XtraVerticalGrid.v17.2, Version = 17.2.4.0
DevExpress.XtraWizard.v17.2, Version = 17.2.4.0
EurekaLog, Version = 6.5.9.0
FlexCel, Version = 5.3.0.0
Microsoft.VisualBasic, Version = 10.0.0.0
Microsoft.VisualBasic.PowerPacks.Vs, Version = 10.0.0.0
mscorlib, Version = 4.0.0.0
Newtonsoft.Json, Version = 9.0.0.0
RemObjects.DataAbstract, Version = 9.4.107.1363
RemObjects.SDK, Version = 9.4.107.1363
SmartAccLibrary, Version = 1.0.0.0
Stimulsoft.Base, Version = 2018.2.1.0
Stimulsoft.Report, Version = 2018.2.1.0
Stimulsoft.Report.Design, Version = 2018.2.1.0
System, Version = 4.0.0.0
System.Core, Version = 4.0.0.0
System.Data, Version = 4.0.0.0
System.Data.DataSetExtensions, Version = 4.0.0.0
System.Drawing, Version = 4.0.0.0
System.Windows.Forms, Version = 4.0.0.0
System.Xml, Version = 4.0.0.0

[HighAley]

Hello.

We know about this issue.
It is already solved.
The fix will be available in our next build in about a week.

Thank you.

[suetpooi]

Thanks for your fast response,

[Lech Kulikowski]

Hello

We are always glad to help you!
Please let us know if you need any additional help.

Thank you.