trunk/src/common/mmo.h
#define MAX_LEVEL 175
change into
#define MAX_LEVEL 255
Next is trunk/conf/map/battle/player.conf
this will make 255 stats
// Max limit of char stats. (AGI, STR, etc.)
max_parameter: 99
change into
// Max limit of char stats. (AGI, STR, etc.)
max_parameter: 255
Next is trunk/conf/map/battle/client.conf
max_lv: 99
change it to (same with the aura_lv if you want 255 player have a blue aura)
max_lv: 255
next step is trunk/db/pre-re/job_db.conf
you can use this one, not yet tested but give it a try
Link : https://pastebin.com/QaB3Y3Tv
Done forget to recompile your server after..