ProjectSkyfire/SkyFireEMU_rebase — comment on commit c02199d8c21d550d3a0f873b30db99c3f199a61c
File: src/server/game/Server/Protocol/Opcodes.h line 1342
By cmaranec:

the SMSG_ part of CMSG_GET_GUILD_ACHIEVEMENT_MEMBERS is probably 0x414E - got it from wowerror when sending packet with this opcode.