sqlbox looking for mssql connection although mysql installed

Hello,

I'm always getting the panic SQLBOX: MSSql: connection settings for id
'sqlbox-db' are not specified! as below

root@smpp:~# sqlbox -v 0 /etc/kannel/sqlbox.conf
2018-10-13 12:47:37 [1819] [0] INFO: Debug_lvl = 0, log_file = <none>,
log_lvl = 0
2018-10-13 12:47:37 [1819] [0] DEBUG: Kannel sqlbox version `1.4.4'.
Compiler `7.2.0'.
System Linux, release 4.15.0-36-generic, version #39-Ubuntu SMP Mon Sep 24
16:19:09 UTC 2018, machine x86_64.
Libxml version 2.9.4.
Using OpenSSL 1.0.2g  1 Mar 2016.
Compiled with MySQL 5.7.20, using MySQL 5.7.23.
Compiled with PostgreSQL 10.0.
Using SQLite 3.20.1.
Using hiredis API 0.13.3
Using native malloc.

2018-10-13 12:47:37 [1819] [0] INFO: Starting to log to file
/var/log/kannel/sqlbox.log level 0
2018-10-13 12:47:37 [1819] [0] INFO: Added logfile
`/var/log/kannel/sqlbox.log' with level `0'.
2018-10-13 12:47:37 [1819] [0] PANIC: SQLBOX: MSSql: connection settings
for id 'sqlbox-db' are not specified!
2018-10-13 12:47:37 [1819] [0] PANIC: sqlbox(gw_backtrace+0xe0)
[0x560fc0415990]
2018-10-13 12:47:37 [1819] [0] PANIC: sqlbox(gw_panic+0x167)
[0x560fc0415b07]
2018-10-13 12:47:37 [1819] [0] PANIC: sqlbox(sqlbox_init_mssql+0x139)
[0x560fc0401729]
2018-10-13 12:47:37 [1819] [0] PANIC: sqlbox(sqlbox_init_sql+0x9)
[0x560fc0406de9]
2018-10-13 12:47:37 [1819] [0] PANIC: sqlbox(main+0x361) [0x560fc03ff791]
2018-10-13 12:47:37 [1819] [0] PANIC:
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7) [0x7ff01014fb97]
2018-10-13 12:47:37 [1819] [0] PANIC: sqlbox(_start+0x2a) [0x560fc03ffa2a]
root@smpp:~# 2018-10-13 12:47:43 [1716] [1] DEBUG: Timeout for fd:65
appears.
2018-10-13 12:47:43 [1716] [1] DEBUG: HTTP: Destroying HTTPClient area
0x7f9128000d30.
2018-10-13 12:47:43 [1716] [1] DEBUG: HTTP: Destroying HTTPClient for
`77.30.145.30'.