UPnP: Failed to create port mappings #80

What steps will reproduce the problem?
Run freedcpp (in preferences-connection set:Use UPnP)

What is the expected output? What do you see instead?
There are no ports forwarded on my router.
In system log of freedcpp:
UPnP: Failed to create port mappings

What version of the product are you using? On what operating system?
Tried FreeDC++ version: 0.0.5.0, version: 0.0.5.3
Ubuntu 12.04 LTS 64-bit
Router: asus WL500gp, firmware 1.9.2.7-rtn-r5066 from WL500g project 
(http://wl500g.googlecode.com/)

Please provide any additional information below.
In EiskaltDC++ Gtk 2.2.6, 2.2.9 :
UPnP: Successfully created port mappings
And ports forwarded on my router.