InitializationException: Issue after upgrade to CMS 12.15.x

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After upgrade to CMS 12.15.x, has any of you experianced this:

EPiServer.Framework.Initialization.InitializationException
  HResult=0x80131500
  Message=Initialize action failed for Initialize on class EPiServer.Initialization.Internal.ModelSyncInitialization, EPiServer, Version=12.11.0.0, Culture=neutral, PublicKeyToken=8fe83dea738b45b7
  Source=EPiServer.Framework
  StackTrace:
   at EPiServer.Framework.Initialization.InitializationEngine.InitializeModules()
   at EPiServer.Framework.Initialization.InitializationEngine.ExecuteTransition(Boolean continueTransitions)
   at EPiServer.Framework.Initialization.InitializationEngine.Initialize()
   at EPiServer.Hosting.Internal.EPiServerFrameworkHost.StartAsync(CancellationToken cancellationToken)
   at Microsoft.Extensions.Hosting.Internal.Host.<StartAsync>d__12.MoveNext()
   at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.<RunAsync>d__4.MoveNext()
   at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.<RunAsync>d__4.MoveNext()
   at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.Run(IHost host)
   at Falck.Corporate.Website.Program.Main(String[] args) in C:\Source\Repos\GlobalWebV2\src\Falck.Corporate.Website\Program.cs:line 15

  This exception was originally thrown at this call stack:
    [External Code]

Inner Exception 1:
AggregateException: One or more errors occurred. (Object reference not set to an instance of an object.)

Inner Exception 2:
NullReferenceException: Object reference not set to an instance of an object.

#293610
Dec 23, 2022 12:06
Miro - Dec 23, 2022 13:04
More details:
at System.Threading.Tasks.TaskReplicator.Run[TState](ReplicatableUserAction`1 action, ParallelOptions options, Boolean stopOnFirstFailure)
at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action`1 body, Action`2 bodyWithState, Func`4 bodyWithLocal, Func`1 localInit, Action`1 localFinally)
--- End of stack trace from previous location ---
at System.Threading.Tasks.Parallel.ThrowSingleCancellationExceptionOrOtherException(ICollection exceptions, CancellationToken cancelToken, Exception otherException)
at System.Threading.Tasks.Parallel.ForWorker[TLocal](Int32 fromInclusive, Int32 toExclusive, ParallelOptions parallelOptions, Action`1 body, Action`2 bodyWithState, Func`4 bodyWithLocal, Func`1 localInit, Action`1 localFinally)
at System.Threading.Tasks.Parallel.ForEachWorker[TSource,TLocal](IList`1 list, ParallelOptions parallelOptions, Action`1 body, Action`2 bodyWithState, Action`3 bodyWithStateAndIndex, Func`4 bodyWithStateAndLocal, Func`5 bodyWithEverything, Func`1 localInit, Action`1 localFinally)
at System.Threading.Tasks.Parallel.ForEachWorker[TSource,TLocal](IEnumerable`1 source, ParallelOptions parallelOptions, Action`1 body, Action`2 bodyWithState, Action`3 bodyWithStateAndIndex, Func`4 bodyWithStateAndLocal, Func`5 bodyWithEverything, Func`1 localInit, Action`1 localFinally)
at System.Threading.Tasks.Parallel.ForEach[TSource](IEnumerable`1 source, Action`1 body)
at EPiServer.DataAbstraction.RuntimeModel.Internal.ContentTypeModelRegister.AnalyzeProperties()
at EPiServer.DataAbstraction.RuntimeModel.Internal.ContentTypeModelScanner.Sync(Boolean forceCommit)
at EPiServer.Initialization.Internal.ModelSyncInitialization.Initialize(InitializationEngine context)
at EPiServer.Framework.Initialization.Internal.ModuleNode.Execute(Action a, String key)
at EPiServer.Framework.Initialization.Internal.ModuleNode.Initialize(InitializationEngine context)
at EPiServer.Framework.Initialization.InitializationEngine.InitializeModules()
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