[HELP]Access level

[andrei23]

I want to do more acces levels on my server but.it don't work..i set at admin lvl 2 at is gm the value to =1(true)and when i give that acces lvl and log in char i got this error...

Sep 03, 2012 7:25:30 PM com.l2jserver.gameserver.network.clientpackets.L2GameClientPacket run
SEVERE: Client: [Character: x[268482817] - Account: x- IP: x] - Failed running: [C] 03 EnterWorld - L2J Server Version: ${l2j.revision} - DP Revision: ${l2jdp.revision} ; null
java.lang.StackOverflowError
at com.l2jserver.gameserver.model.L2AccessLevel.hasChildAccess(L2AccessLevel.java:224)

[andrei23]

Sorry for duble post,but i find the line in java

if (_childsAccessLevel == null) .thats the line 224,from where i got error,what  i shoul type instead of "null" to work every access?