Your problem is here :
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4. Close the New Query window. Look at the left side for "Databases". Open it, then go to lin2db > tables. Right click on dbo.server and choose "Open Table". Now you'll configure the server settings in this table.
ID: 1 (2, 3, 4 and so on for more servers)
Name: Pick a 11 characters (no more, no less) name.
IP: Insert the WAN IP here. ([url=http://whatsmyip.org]Click to learn it![/url])
inner_ip: Insert your localhost (127.0.0.1) IP here.
ageLimit: 0
pk_flag: 1
kind: 0
port: 7777
region: 0 (1, 2, 3 and so on for more servers)