need assistance, aborted when executed sqlbox

i use kannel 1.4.3 and sqlbox 0.7.2 installed using apt-get install
kannel-sqlbox

here is the error when i execute the program,
odpweb@yoyo1:~/smpp/etc$ sqlbox -P sqlbox.conf
2011-08-18 14:57:20 [18295] [0] INFO: Child process with PID (18296)
started.
2011-08-18 14:57:20 [18296] [0] INFO: Debug_lvl = -1, log_file = <none>,
log_lvl = 0
2011-08-18 14:57:20 [18296] [0] DEBUG: Kannel sqlbox version `1.4.3'.
Build `Feb 14 2009 16:26:47', compiler `4.3.3'.
System Linux, release 2.6.32-21-server, version #32-Ubuntu SMP Fri Apr 16
09:17:34 UTC 2010, machine x86_64.
Hostname yoyo1, IP 202.158.49.203.
Libxml version 2.6.32.
Using OpenSSL 0.9.8g 19 Oct 2007.
Compiled with MySQL 5.0.75, using MySQL 5.1.41.
Using native malloc.

2011-08-18 14:57:20 [18296] [0] INFO: Starting to log to file
../var/log/sqlbox.log level 1
2011-08-18 14:57:20 [18296] [0] INFO: Added logfile `../var/log/sqlbox.log'
with level `1'.
2011-08-18 14:57:20 [18296] [0] INFO: MYSQL: Connected to server at
localhost.
2011-08-18 14:57:20 [18296] [0] INFO: MYSQL: server version 5.0.51b, client
version 5.1.41.
sqlbox: malloc.c:3096: sYSMALLOc: Assertion `(old_top == (((mbinptr) (((char
*) &((av)->bins[((1) - 1) * 2])) - __builtin_offsetof (struct malloc_chunk,
fd)))) && old_size == 0) || ((unsigned long) (old_size) >= (unsigned
long)((((__builtin_offsetof (struct malloc_chunk, fd_nextsize))+((2 *
(sizeof(size_t))) - 1)) & ~((2 * (sizeof(size_t))) - 1))) &&
((old_top)->size & 0x1) && ((unsigned long)old_end & pagemask) == 0)'
failed.
2011-08-18 14:57:20 [18295] [0] ERROR: Caught child PID (18296) which died
due to signal 6
2011-08-18 14:57:20 [18295] [0] INFO: Child process crashed while starting.
Exiting...
2011-08-18 14:57:20 [18295] [0] INFO: Going into gwlib_shutdown...

here is the configuration:
group = sqlbox
id = sqlbox-db
smsbox-id = smsbox
bearerbox-host = localhost
bearerbox-port = 11000
smsbox-port = 11001
smsbox-port-ssl = false
sql-insert-table = submit
sql-log-table = dispatcher
log-file = "../var/log/sqlbox.log"
log-level = 1

group = mysql-connection
id = sqlbox-db
host = localhost
database = [..]
username = [..]
password = [..]
max-connections = 10


thanks
-emerson