OpenVPN GUI crash with version 2022.3.21

After updating to version 2022.3.21 all OpenVPN GUI connections fails:

NullReferenceException - Object reference not set to an instance of an object.

at RemoteDesktopManager.AddOn.FrmSendCredentialsOpenVPN.FrmWaitingForVPN_Shown(Object sender, EventArgs e)
at System.Windows.Forms.Form.OnShown(EventArgs e)
at DevExpress.XtraEditors.XtraForm.OnShown(EventArgs e)
at Devolutions.RemoteDesktopManager.Forms.FrmBase.OnShown(EventArgs e)
at System.Windows.Forms.Control.InvokeMarshaledCallbackHelper(Object obj)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Windows.Forms.Control.InvokeMarshaledCallback(ThreadMethodEntry tme)
at System.Windows.Forms.Control.InvokeMarshaledCallbacks()
------------------------ extended stack ------------------------
at Devolutions.RemoteDesktopManager.Managers.ErrorManager.BuildErrorDetails(Exception exception, String extraMessage)
at Devolutions.RemoteDesktopManager.Forms.FrmErrorMessage.ShowErrorMessage(Exception exception, String message, String title)
at Devolutions.RemoteDesktopManager.Managers.LogManager.OnThreadException(Object sender, ThreadExceptionEventArgs t)
at System.Windows.Forms.Application.ThreadContext.OnThreadException(Exception t)
at System.Windows.Forms.Control.InvokeMarshaledCallbacks()
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.Form.WndProc(Message& m)
at DevExpress.XtraEditors.DForm.WndProc(Message& m)
at DevExpress.XtraEditors.XtraForm.WndProc(Message& msg)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
at System.Windows.Forms.Form.ShowDialog(IWin32Window owner)
at RemoteDesktopManager.AddOn.OpenVPNHelper.SendCredentials(OpenVPNConfiguration configuration, OpenVPNCredentialsParameters parameters)
at RemoteDesktopManager.AddOn.OpenVPNAddOn.OpenCustom(OpenVPNConfiguration configuration, String oneTimePassword)
at Devolutions.RemoteDesktopManager.Business.VPNOpeners.VPNAddOnOpener.Open(Connection vpn, OpenConnectionParameter parameter)
at Devolutions.RemoteDesktopManager.Managers.VPNManager.OpenVPN(Connection connection, OpenConnectionParameter parameter)
at Devolutions.RemoteDesktopManager.Business.Connectors.VPNConnector.Connect(Connection connection, OpenConnectionMode openConnectionMode)
at Devolutions.RemoteDesktopManager.Managers.ConnectionManager.OpenConnection(Connection connection, OpenConnectionParameter parameter)
at Devolutions.RemoteDesktopManager.Managers.ConnectionManager.OpenConnections(Connection[] connectionList, OpenConnectionParameter parameter)
at Devolutions.RemoteDesktopManager.Managers.ActionManager.DoOpenConnection(Connection[] currentConnections, OpenConnectionMode openConnectionMode, IConnectionSource source, Dictionary`2 openingAttributes)
at Devolutions.RemoteDesktopManager.Managers.ActionManager.OpenConnections(OpenConnectionMode openConnectionMode, IConnectionSource source, Boolean checkOpenedConnection)
at Devolutions.RemoteDesktopManager.Frames.FreDashBoardBase.GalleryActions_ItemClick(Object sender, GalleryItemClickEventArgs e)
at DevExpress.XtraBars.Ribbon.Handler.GalleryControlHandlerBase.OnUnpressItem(DXMouseEventArgs e)
at DevExpress.XtraBars.Ribbon.Handler.GalleryControlHandlerBase.OnUnpress(DXMouseEventArgs e)
at DevExpress.XtraBars.Ribbon.Handler.GalleryControlHandlerBase.OnMouseUp(DXMouseEventArgs e)
at DevExpress.XtraBars.Ribbon.GalleryControl.OnMouseUp(MouseEventArgs e)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at DevExpress.XtraEditors.XtraControl.WndProc(Message& m)
at DevExpress.Utils.Controls.ControlBase.BaseWndProc(Message& m)
at DevExpress.XtraEditors.BaseControl.WndProc(Message& msg)
at DevExpress.XtraBars.Ribbon.GalleryControl.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
at DevExpress.Utils.Drawing.Helpers.NativeMethods.UnsafeNativeMethods.DefSubclassProc(IntPtr hWnd, IntPtr Msg, IntPtr wParam, IntPtr lParam)
at DevExpress.Utils.Drawing.Helpers.NativeMethods.UnsafeNativeMethods.DefSubclassProc(IntPtr hWnd, IntPtr Msg, IntPtr wParam, IntPtr lParam)
at DevExpress.Utils.Drawing.Helpers.Win32SubclasserFactory.Win32Subclasser.SubClassProcInner(IntPtr hWnd, IntPtr Msg, IntPtr wParam, IntPtr lParam, IntPtr uIdSubclass, IntPtr dwRefData)
at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
at Devolutions.RemoteDesktopManager.Program.Main(String[] args)