public async UniTaskVoid HandleRequestAcceptPartyInvitation(RequestHandlerData requestHandler, RequestAcceptPartyInvitationMessage request, RequestProceedResultDelegate <ResponseAcceptPartyInvitationMessage> result)
        {
#if UNITY_STANDALONE && !CLIENT_BUILD
            await UniTask.Yield();

            BasePlayerCharacterEntity playerCharacter;
            if (!GameInstance.ServerUserHandlers.TryGetPlayerCharacter(requestHandler.ConnectionId, out playerCharacter))
            {
                result.InvokeError(new ResponseAcceptPartyInvitationMessage()
                {
                    message = UITextKeys.UI_ERROR_NOT_LOGGED_IN,
                });
                return;
            }
            ValidatePartyRequestResult validateResult = GameInstance.ServerPartyHandlers.CanAcceptPartyInvitation(request.partyId, playerCharacter);
            if (!validateResult.IsSuccess)
            {
                result.InvokeError(new ResponseAcceptPartyInvitationMessage()
                {
                    message = validateResult.GameMessage,
                });
                return;
            }
            playerCharacter.PartyId = request.partyId;
            validateResult.Party.AddMember(playerCharacter);
            GameInstance.ServerPartyHandlers.SetParty(request.partyId, validateResult.Party);
            GameInstance.ServerPartyHandlers.RemovePartyInvitation(request.partyId, playerCharacter.Id);
            // Save to database
            AsyncResponseData <PartyResp> updateResp = await DbServiceClient.UpdateCharacterPartyAsync(new UpdateCharacterPartyReq()
            {
                SocialCharacterData = SocialCharacterData.Create(playerCharacter),
                PartyId             = request.partyId
            });

            if (!updateResp.IsSuccess)
            {
                result.InvokeError(new ResponseAcceptPartyInvitationMessage()
                {
                    message = UITextKeys.UI_ERROR_INTERNAL_SERVER_ERROR,
                });
                return;
            }
            // Broadcast via chat server
            if (ClusterClient.IsNetworkActive)
            {
                ClusterClient.SendAddSocialMember(MMOMessageTypes.UpdatePartyMember, request.partyId, playerCharacter.Id, playerCharacter.CharacterName, playerCharacter.DataId, playerCharacter.Level);
            }
            GameInstance.ServerGameMessageHandlers.SendSetPartyData(requestHandler.ConnectionId, validateResult.Party);
            GameInstance.ServerGameMessageHandlers.SendAddPartyMembersToOne(requestHandler.ConnectionId, validateResult.Party);
            GameInstance.ServerGameMessageHandlers.SendAddPartyMemberToMembers(validateResult.Party, playerCharacter.Id, playerCharacter.CharacterName, playerCharacter.DataId, playerCharacter.Level);
            // Send message to inviter
            GameInstance.ServerGameMessageHandlers.SendGameMessageByCharacterId(request.inviterId, UITextKeys.UI_PARTY_INVITATION_ACCEPTED);
            // Response to invitee
            result.InvokeSuccess(new ResponseAcceptPartyInvitationMessage()
            {
                message = UITextKeys.UI_PARTY_INVITATION_ACCEPTED,
            });
#endif
        }