by default, rAthena latest git hash version is using 2015-11-04aRagexe.exe client.. u don't need to edit the packets anymore. but if u having problem with the unknown packet errors, perhaps it would be because of packet encryption keys. look in the db/packet_db.txt & find these lines. //packet_db_ver: 46 packet_db_ver: default packet_keys_use: default just change them to packet_db_ver: 55 //packet_db_ver: default packet_keys_use: default and restart ur s