what is the packet ver 56 in ur db/packet_db.txt? if no client for packet ver 56, just rename packet 57 to 56
// 2017-01-25aRagexe
packet_keys: 0x066E04FE ,0x3004224A ,0x04FF0458
packet_ver: 56
and in src\common\utils.c it should be like this
else if(date < 20170125) return 55;
else if(date >= 20170125) return 56;
then recompile back