Yes, of course
/src/config/packets.hpp
// Copyright (c) rAthena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder
#ifndef CONFIG_PACKETS_HPP
#define CONFIG_PACKETS_HPP
/**
* rAthena configuration file (http://rathena.org)
* For detailed guidance on these check http://rathena.org/wiki/SRC/config/
**/
#ifndef PACKETVER
/// Do NOT edit this line! To set your client version, please do this instead:
/// In Windows: Add this line in your src\custom\defines_pre.hpp file: #define PACKETVER YYYYMMDD
/// In Linux: The same as above or run the following command: ./configure --enable-packetver=YYYYMMDD
// #define PACKETVER 20180620
// #define PACKETVER 20200401
#define PACKETVER 20211103
#endif
#ifndef PACKETVER_RE
/// From November 2015 only RagexeRE are supported.
/// After July 2018 only Ragexe are supported.
#if ( PACKETVER > 20151104 && PACKETVER < 20180704 ) || PACKETVER >= 20200902
#define PACKETVER_RE
#endif
#endif
#ifndef PACKETVER_RE
#define PACKETVER_MAIN_NUM PACKETVER
// Undefine all sakray server definitions
#undef PACKETVER_RE
#undef PACKETVER_RE_NUM
#else
// Undefine existing definition
#undef PACKETVER_RE
#define PACKETVER_RE PACKETVER
#define PACKETVER_RE_NUM PACKETVER
// Undefine all main server definitions
#undef PACKETVER_MAIN_NUM
#endif
#if PACKETVER >= 20110817
/// Comment to disable the official packet obfuscation support.
/// This requires PACKETVER 2011-08-17 or newer.
#ifndef PACKET_OBFUSCATION
#define PACKET_OBFUSCATION
/// Comment this to disable warnings for missing client side encryption
#define PACKET_OBFUSCATION_WARN
#endif
#else
#if defined(PACKET_OBFUSCATION)
#error You enabled packet obfuscation for a version which is too old. Minimum supported client is 2011-08-17.
#endif
#endif
/// Comment to disable the official Guild Storage skill.
/// When enabled, this will set the guild storage size to the level of the skill * 100.
#if PACKETVER >= 20131223
#define OFFICIAL_GUILD_STORAGE
#endif
#ifndef DUMP_UNKNOWN_PACKET
//#define DUMP_UNKNOWN_PACKET
#endif
#ifndef DUMP_INVALID_PACKET
//#define DUMP_INVALID_PACKET
#endif
/**
* No settings past this point
**/
/// Check if the specified packetversion supports the pincode system
#define PACKETVER_SUPPORTS_PINCODE PACKETVER >= 20110309
/// Check if the client needs delete_date as remaining time and not the actual delete_date (actually it was tested for clients since 2013)
#define PACKETVER_CHAR_DELETEDATE (PACKETVER > 20130000 && PACKETVER <= 20141022) || PACKETVER >= 20150513
/// Check if the specified packetvresion supports the cashshop sale system
#define PACKETVER_SUPPORTS_SALES PACKETVER >= 20131223
#endif /* CONFIG_PACKETS_HPP */
The problem is not solved. Help please.