XP to level problem

Hi.
i have problem with xp to level 61-70. characters need very much xp.

for example player need 574 000xp to level 62 and 650 000xp to level 64.

is here anyone who know what i must to repair this error? or this is good?

i use mangos 3870 and project silvermoon db rev6 thx

This is good.
You can set you're xp rate higher fo faster leveling in th mangosd.conf