Hi,

does anybody know why we are getting this issue:

ActivityId: 00000000-0000-0000-0000-000000000000

Timestamp: 11/9/2019 12:19:39 AM

Message: Timestamp: 11/9/2019 12:19:39 AM
Message: System.ArgumentException: An item with the same key has already been added.
at DynamicModule.ns.Wrapped_OpenAccessSiteSettingsProvider_99a7f774015142adab8c3d7ceae1f88c.GetTransaction()
at Telerik.Sitefinity.Data.OpenAccessExtensions.GetContext(IOpenAccessDataProvider provider)
at Telerik.Sitefinity.Data.Linq.OpenAccess.OpenAccessQueryProvider`2.get_Expression()
at Telerik.Sitefinity.Data.Linq.LinqQuery`2.System.Linq.IQueryable.get_Expression()
at System.Linq.Queryable.Where[TSource](IQueryable`1 source, Expression`1 predicate)
at Telerik.Sitefinity.SiteSettings.SiteSettingsManager.GetSetting(Type contractType, String policyType, String policyName)
at Telerik.Sitefinity.SiteSettings.SiteSettings.GetSetting[TContract,TResult](String policyType, String policyName)
at Telerik.Sitefinity.Services.SitefinityContextBase.GetSetting[TContract,TResult]()
at Telerik.Sitefinity.CommentsPropertyResolver.GetSettingsObject()
Category:
Priority: -1
EventId: 0
Severity: Critical
Title:
Machine: Sitefinity
App Domain: /LM/W3SVC/2/ROOT-1-132177317644861263
ProcessId: 2676
Process Name: c:\windows\system32\inetsrv\w3wp.exe
Thread Name:
Win32 ThreadId:9440
Extended Properties:

Category: ErrorLog

Priority: -1

EventId: 1

Severity: Information

Title:

Machine: Sitefinity

App Domain: /LM/W3SVC/2/ROOT-1-132177317644861263

ProcessId: 2676

Process Name: c:\windows\system32\inetsrv\w3wp.exe

Thread Name:

Win32 ThreadId:9440

Extended Properties:
----------------------------------------

This happened after upgrading our DB from SQL 14 to SQL 19 and on top of this upgrading our code from Sitefinity 9.2 to 12.1.

The implementation is working on three test servers perfectly but not on our brand new server.

Any thoughts?