Unable to start SourceTree after updating from older version to 3.4.12

ERROR [2023-03-13 11:47:19,052] [1] [Sourcetree.Composition.VSMef.Net48.CompositionExceptionHelper] [Log] - CompositionException [Errors occurred during discovery.]
ERROR [2023-03-13 11:47:19,070] [1] [Sourcetree.Composition.VSMef.Net48.CompositionExceptionHelper] [Log] - Aggregate Exception:
System.AggregateException: Une ou plusieurs erreurs se sont produites. ---> Microsoft.VisualStudio.Composition.PartDiscoveryException: ReflectionTypeLoadException while enumerating types in assembly "C:\Program Files (x86)\Atlassian\Sourcetree\SourceTree.Host.Bitbucket.dll". Results will be incomplete. ---> System.Reflection.ReflectionTypeLoadException: Impossible de charger un ou plusieurs des types requis. Extrayez la propri.t. LoaderExceptions pour plus d'informations.
   . System.Reflection.RuntimeModule.GetTypes(RuntimeModule module)
   . System.Reflection.Assembly.GetTypes()
   . Microsoft.VisualStudio.Composition.PartDiscovery.<>c__DisplayClass28_0.<CreateAssemblyDiscoveryBlockChain>b__0(Assembly a)
   --- Fin de la trace de la pile d'exception interne ---
   --- Fin de la trace de la pile d'exception interne ---
---> (Exception interne #0) Microsoft.VisualStudio.Composition.PartDiscoveryException: ReflectionTypeLoadException while enumerating types in assembly "C:\Program Files (x86)\Atlassian\Sourcetree\SourceTree.Host.Bitbucket.dll". Results will be incomplete. ---> System.Reflection.ReflectionTypeLoadException: Impossible de charger un ou plusieurs des types requis. Extrayez la propri.t. LoaderExceptions pour plus d'informations.
   . System.Reflection.RuntimeModule.GetTypes(RuntimeModule module)
   . System.Reflection.Assembly.GetTypes()
   . Microsoft.VisualStudio.Composition.PartDiscovery.<>c__DisplayClass28_0.<CreateAssemblyDiscoveryBlockChain>b__0(Assembly a)
   --- Fin de la trace de la pile d'exception interne ---<---
ERROR [2023-03-13 11:47:19,074] [1] [Sourcetree.Composition.VSMef.Net48.CompositionExceptionHelper] [Log] - PartDiscoveryException:
Microsoft.VisualStudio.Composition.PartDiscoveryException: ReflectionTypeLoadException while enumerating types in assembly "C:\Program Files (x86)\Atlassian\Sourcetree\SourceTree.Host.Bitbucket.dll". Results will be incomplete. ---> System.Reflection.ReflectionTypeLoadException: Impossible de charger un ou plusieurs des types requis. Extrayez la propri.t. LoaderExceptions pour plus d'informations.
   . System.Reflection.RuntimeModule.GetTypes(RuntimeModule module)
   . System.Reflection.Assembly.GetTypes()
   . Microsoft.VisualStudio.Composition.PartDiscovery.<>c__DisplayClass28_0.<CreateAssemblyDiscoveryBlockChain>b__0(Assembly a)
   --- Fin de la trace de la pile d'exception interne ---
ERROR [2023-03-13 11:47:19,075] [1] [Sourcetree.Composition.VSMef.Net48.CompositionExceptionHelper] [Log] - TypeLoadException:
System.TypeLoadException: Impossible de charger le type 'BitbucKit.Net.Api.Model.TwoZero.Workspace' . partir de l'assembly 'BitbucKit.Net.Api, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'.
ERROR [2023-03-13 11:47:19,075] [1] [Sourcetree.Composition.VSMef.Net48.CompositionExceptionHelper] [Log] - ReflectionTypeLoadException:
System.Reflection.ReflectionTypeLoadException: Impossible de charger un ou plusieurs des types requis. Extrayez la propri.t. LoaderExceptions pour plus d'informations.
   . System.Reflection.RuntimeModule.GetTypes(RuntimeModule module)
   . System.Reflection.Assembly.GetTypes()
   . Microsoft.VisualStudio.Composition.PartDiscovery.<>c__DisplayClass28_0.<CreateAssemblyDiscoveryBlockChain>b__0(Assembly a)