Deserialization exception when creating party

[jmderuty]

Reproduction: rare

{"message":"Error cbf92b506fe84af2b404cfd892d9528c. An error occurred while executing procedure 'partymanagement.createsession'.","data":{"content":{"location":"scenes/partyManager/party-manager#0","context":{"template":"partyManager","sceneId":"party-manager","shardId":0},"message":"Error cbf92b506fe84af2b404cfd892d9528c. An error occurred while executing procedure 'partymanagement.createsession'.","data":{"Type":"MessagePackSerializationException","Message":"Failed to deserialize Stormancer.Server.Plugins.Users.Session value.","Frames":[" at MessagePack.MessagePackSerializer.Deserialize[T](MessagePackReader& reader, MessagePackSerializerOptions options)"," at MessagePack.MessagePackSerializer.Deserialize[T](ReadOnlySequence1& byteSequence, MessagePackSerializerOptions options, CancellationToken cancellationToken)"," at Stormancer.Server.Hosting.Serializers.S2SSerializer.TryDeserialize[T](ReadOnlySequence1 buffer, T& value, Int64& bytesRead)"," at Stormancer.Server.Hosting.Serializers.S2SSerializer.<>c__DisplayClass2_01.<DeserializeAsync>g__TryDeserializeAndAdvance|0(ReadResult readResult, T& value)"," at Stormancer.Server.Hosting.Serializers.S2SSerializer.<>c__DisplayClass2_01.<g__DeserializeAsyncImpl|1>d.MoveNext()","--- End of stack trace from previous location ---"," at Stormancer.Server.S2SOperationResult1.<GetResultAsync>g__ReadObject|3_0(CancellationToken ct) in /_/src/Stormancer.Plugins/Utilities/Stormancer.Server.Plugins.Utilities/S2SRequestHelpers.cs:line 218"," at Stormancer.Server.Plugins.Users.UserSessionProxy.GetSessionById(SessionId sessionId, CancellationToken cancellationToken) in /_/src/Stormancer.Plugins/Users/Stormancer.Server.Plugins.Users/obj/Debug/net8.0/Stormancer.Server.Plugins.Api.S2SProxyGenerator/Stormancer.Server.Plugins.Api.S2SProxyGenerator.S2SProxySourceGenerator/UserSessionController_proxy.cs:line 123"," at Stormancer.Server.Plugins.Users.UserSessionProxy.GetSessionById(SessionId sessionId, CancellationToken cancellationToken) in /_/src/Stormancer.Plugins/Users/Stormancer.Server.Plugins.Users/obj/Debug/net8.0/Stormancer.Server.Plugins.Api.S2SProxyGenerator/Stormancer.Server.Plugins.Api.S2SProxyGenerator.S2SProxySourceGenerator/UserSessionController_proxy.cs:line 123"," at Stormancer.Server.Plugins.Users.UserSessionImpl.GetUser(IScenePeerClient peer, CancellationToken cancellationToken) in /_/src/Stormancer.Plugins/Users/Stormancer.Server.Plugins.Users/UserSessionsProxy.cs:line 137"," at Stormancer.Server.PartyManagement.PartyManagementController.CreateSession(RequestContext1 ctx) in /_/src/Stormancer.Plugins/Party/Stormancer.Server.Plugins.Party/PartyManagementController.cs:line 70"," at Stormancer.Server.Plugins.API.ControllerFactory1.ExecuteRpcAction(ApiCallContext1 ctx, Func4 action)"," at Stormancer.Server.Plugins.API.ControllerFactory1.ExecuteRpcAction(ApiCallContext1 ctx, Func4 action)"," at Stormancer.Server.Plugins.API.ControllerFactory1.ExecuteRpcAction(ApiCallContext1 ctx, Func4 action)"," at Stormancer.Server.Plugins.Database.ElasticsearchExceptionHandler.RunRpc(ApiCallContext1 ctx, Func2 next)"," at Stormancer.Plugins.RpcService.<>c__DisplayClass13_0.<<AddProcedure>b__0>d.MoveNext()"],"InnerExceptions":[{"Type":"ArgumentException","Message":"An item with the same key has already been added. Key: gameVersion.clientVersion","Frames":[" at System.Collections.Generic.Dictionary2.TryInsert(TKey key, TValue value, InsertionBehavior behavior)"," at MessagePack.Formatters.DictionaryFormatterBase`5.Deserialize(MessagePackReader& reader, MessagePackSerializerOptions options)"," at MessagePack.Formatters.Stormancer_Server_Plugins_Users_SessionFormatter24.Deserialize(MessagePackReader& reader, MessagePackSerializerOptions options)"," at MessagePack.MessagePackSerializer.Deserialize[T](MessagePackReader& reader, MessagePackSerializerOptions options)"],"InnerExceptions":[]}]}},"app":"/darktales/live-1-0/0fbe94f9-eed7-4c1b-929a-9dcdec4ecf35/25?"}}