RTC crashes after NAV 2017 Upgrade

Hi,

I upgraded from NAV 2016 cu11 to NAV 2017 cu1 everything went smooth during the process. However the RTC crashes shortly during the startup and returns the following errors:



Problemsignatur:
Problemereignisname: CLR20r3
Problemsignatur 01: Microsoft.Dynamics.Nav.Client
Problemsignatur 02: 10.0.13682.0
Problemsignatur 03: 580f9fe5
Problemsignatur 04: mscorlib
Problemsignatur 05: 4.0.30319.34209
Problemsignatur 06: 53489fcf
Problemsignatur 07: 37bd
Problemsignatur 08: d
Problemsignatur 09: System.ArgumentNullException
Betriebsystemversion: 6.3.9600.2.0.0.272.7
Gebietsschema-ID: 1031
Zusatzinformation 1: 26c1
Zusatzinformation 2: 26c1770e0fff0adbf49075aaecb17427
Zusatzinformation 3: 7ed3
Zusatzinformation 4: 7ed366e00bd3a324628a33cf7bf3b2bb

Application: Microsoft.Dynamics.Nav.Client.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.ArgumentNullException
Stack:
at System.Resources.ResourceManager.GetObject(System.String, System.Globalization.CultureInfo, Boolean)
at Microsoft.Dynamics.Nav.Client.FormBuilder.NavigationTreeProvider.ProvideImage(System.Func`2<Microsoft.Dynamics.Framework.UI.LogicalImage,System.String>, Microsoft.Dynamics.Framework.UI.NavigationNode, System.String)
at Microsoft.Dynamics.Nav.Client.FormBuilder.NavigationTreeProvider.ProcessDepartments(Microsoft.Dynamics.Framework.UI.LogicalControl, System.Collections.Generic.IEnumerable`1<Microsoft.Dynamics.Nav.Types.Metadata.ActionBaseDefinition>, Microsoft.Dynamics.Framework.UI.UX2006.DepartmentNavigationNode, Microsoft.Dynamics.Nav.Client.FormBuilder.UIBuilderContext, System.Func`2<Microsoft.Dynamics.Framework.UI.LogicalImage,System.String>)
at Microsoft.Dynamics.Nav.Client.FormBuilder.NavigationTreeProvider.ProcessDepartments(Microsoft.Dynamics.Framework.UI.LogicalControl, System.Collections.Generic.IEnumerable`1<Microsoft.Dynamics.Nav.Types.Metadata.ActionBaseDefinition>, Microsoft.Dynamics.Framework.UI.UX2006.DepartmentNavigationNode, Microsoft.Dynamics.Nav.Client.FormBuilder.UIBuilderContext, System.Func`2<Microsoft.Dynamics.Framework.UI.LogicalImage,System.String>)
at Microsoft.Dynamics.Nav.Client.FormBuilder.NavigationTreeProvider.ProcessDepartments(Microsoft.Dynamics.Framework.UI.LogicalControl, System.Collections.Generic.IEnumerable`1<Microsoft.Dynamics.Nav.Types.Metadata.ActionBaseDefinition>, Microsoft.Dynamics.Framework.UI.UX2006.DepartmentNavigationNode, Microsoft.Dynamics.Nav.Client.FormBuilder.UIBuilderContext, System.Func`2<Microsoft.Dynamics.Framework.UI.LogicalImage,System.String>)
at Microsoft.Dynamics.Nav.Client.FormBuilder.NavigationTreeProvider.ProcessNavigationGroups(Microsoft.Dynamics.Framework.UI.LogicalControl, System.Collections.Generic.IEnumerable`1<Microsoft.Dynamics.Nav.Types.Metadata.ActionBaseDefinition>, Microsoft.Dynamics.Framework.UI.NavigationNode, Microsoft.Dynamics.Nav.Client.FormBuilder.UIBuilderContext, System.Func`2<Microsoft.Dynamics.Framework.UI.LogicalImage,System.String>)
at Microsoft.Dynamics.Nav.Client.FormBuilder.NavigationTreeProvider.ProvideNavigationPane(Microsoft.Dynamics.Nav.Types.Metadata.MasterNavigation, Microsoft.Dynamics.Nav.Client.FormBuilder.UIBuilderContext, System.Func`2<Microsoft.Dynamics.Framework.UI.LogicalImage,System.String>)
at Microsoft.Dynamics.Nav.Client.FormBuilder.NavigationBuilder.BuildNavigationPane(Microsoft.Dynamics.Nav.Client.FormBuilder.UIBuilderContext)
at Microsoft.Dynamics.Nav.Client.FormBuilder.NavigationBuilder.Build(Microsoft.Dynamics.Nav.Types.Metadata.MasterNavigation, Microsoft.Dynamics.Nav.Client.FormBuilder.UIBuilderContext)
at Microsoft.Dynamics.Nav.Client.FormBuilder.BuilderSession.RefreshNavigationForm()
at Microsoft.Dynamics.Nav.Client.FormBuilder.BuilderSession.get_NavigationForm()
at Microsoft.Dynamics.Nav.Client.FormBuilder.BuilderSession.CreateLogicalForm(System.String)
at Microsoft.Dynamics.Framework.UI.UISession.CreateLogicalForm(System.String, Boolean)
at Microsoft.Dynamics.Framework.UI.Windows.ClientSessionBase.ShowLogicalForm(System.String)
at Microsoft.Dynamics.Framework.UI.Windows.ClientSessionBase.RunCore()
at Microsoft.Dynamics.Nav.Client.WinClient.NavWinFormsClientSession.RunCore()
at Microsoft.Dynamics.Nav.Client.WinClient.NavClientErrorHandler.ExecuteAndCatchExceptions(System.Func`1<Int32>)
at Microsoft.Dynamics.Nav.Client.WinClient.ExceptionHandler.DoExecute(System.Func`1<Int32>)
at Microsoft.Dynamics.Nav.Client.WinClient.StartWinFormsClient.RunCore()
at Microsoft.Dynamics.Nav.Client.WinClient.StartWinFormsClient.Run(Boolean)
at Microsoft.Dynamics.Nav.Client.Program.Main(System.String[])


+ System

- Provider

[ Name] Application Error

- EventID 1000

[ Qualifiers] 0

Level 2

Task 100

Keywords 0x80000000000000

- TimeCreated

[ SystemTime] 2017-02-23T08:17:49.000000000Z

EventRecordID 41189

Channel Application

Computer ##################

Security


- EventData

Microsoft.Dynamics.Nav.Client.exe
10.0.13682.0
580f9fe5
KERNELBASE.dll
6.3.9600.17415
54505737
e0434352
0000000000008b9c
4c0
01d28dad409ba205
C:\Program Files (x86)\Microsoft Dynamics NAV\100\RoleTailored Client\Microsoft.Dynamics.Nav.Client.exe
C:\Windows\system32\KERNELBASE.dll

I'm out of ideas, do you guys have any suggestions?