Problem in initial page Business central On prem after upgradte from version 14 to 15

ivancito86

Hi,

have sombody happened that??
When I open web client, I can see the role center during 3 secods more or less, and then appear the next error.





in the event log I can see that, but I don't know how to resolve it.

- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"&gt;
- <System>
<Provider Name="MicrosoftDynamicsNavServer$BC150" />
<EventID Qualifiers="0">701</EventID>
<Level>2</Level>
<Task>33</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2019-10-22T06:54:28.014201200Z" />
<EventRecordID>10959</EventRecordID>
<Channel>Application</Channel>
<Computer>DESKTOP-5PA52J8</Computer>
<Security />
</System>
- <EventData>
<Data>Server instance: BC150 Category: TaskScheduling ClientSessionId: 00000000-0000-0000-0000-000000000000 ClientActivityId: 838be5f6-ae97-4d3f-8830-062e0ee2eba0 ServerSessionUniqueId: 00000000-0000-0000-0000-000000000000 ServerActivityId: 52177917-df1a-49ed-8c25-be4f5e86224c EventTime: 10/22/2019 06:54:28 Message (InvalidCastException): RootException: InvalidCastException Unable to cast object of type 'System.DirectoryServices.AccountManagement.GroupPrincipal' to type 'System.DirectoryServices.AccountManagement.UserPrincipal'. ExceptionStackTrace: at System.DirectoryServices.AccountManagement.UserPrincipal.FindByIdentity(PrincipalContext context, IdentityType identityType, String identityValue) at Microsoft.Dynamics.Nav.Runtime.NavUser.JoinUserGroupsWith(NavDiagnostics diagnostics, IdentityReferenceCollection listOfGroups, ContextType typeOfGroups) at Microsoft.Dynamics.Nav.Runtime.NavUser.TryRefreshUserWindowsGroups(NavTenant tenant, ContextType contextType) at Microsoft.Dynamics.Nav.Runtime.NavUser.TryUpdateUserGroupsFromTenantCache(NavTenant tenant) at Microsoft.Dynamics.Nav.Runtime.NavUserAuthentication.AuthenticateTaskSchedulerCredential() at Microsoft.Dynamics.Nav.Runtime.NavUserAuthentication.Authenticate() at Microsoft.Dynamics.Nav.Runtime.NavUserAuthentication..ctor(NavTenant tenant, NavClientCredentialType authenticationType, UserType userType, Object token, String userName, String authenticationKey, AuthorizationCodeContext authorizationCodeContext, String navAppId, Func`1 getWindowsIdentity, INavLicenseServiceClient licenseClient) at Microsoft.Dynamics.Nav.Runtime.NavUserAuthentication.<>c__DisplayClass87_0.<CreateTaskSchedulerAuthentication>b__0(Object securityToken) at Microsoft.Dynamics.Nav.Runtime.NavUserAuthenticationCache.GetNavUserAuthentication(Object token, String navAppId, NavDiagnostics diagnostics, Func`2 authenticationFunc, AuthorizationCodeContext authorizationCodeContext, NavClientCredentialType authenticationType) at Microsoft.Dynamics.Nav.Runtime.NavUserAuthentication.CreateTaskSchedulerAuthentication(NavTenant tenant, Guid userId, String userName, String navAppId) at Microsoft.Dynamics.Nav.Runtime.NavTenant.Microsoft.Dynamics.Nav.Runtime.ITenantSessionHandler.CreateTaskSchedulerSession(Guid userGuid, String userName, TimeZoneInfo timeZone, String navAppId) at Microsoft.Dynamics.Nav.Runtime.TaskRunnerCodeUnit.TaskSpecificInternalRun() at Microsoft.Dynamics.Nav.Runtime.TaskRunner.InternalRun() CallerStackTrace: at Microsoft.Dynamics.Nav.Runtime.TaskRunner.InternalRun() at Microsoft.Dynamics.Nav.Runtime.NavTaskFactory.<>c__DisplayClass1_0.<RunTask>b__0() at System.Threading.Tasks.Task.Execute() 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.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot) at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution) at System.Threading.ThreadPoolWorkQueue.Dispatch() ProcessId: 1712 Tag: 000003P ThreadId: 20 CounterInformation: CustomParameters: 00000000-0000-0000-0000-000000000000</Data>
</EventData>
</Event>



Best regards!