ERROR: modal_dialogue() bei posix Server

Code:
Reading low level config data ...

Simutrans version 112.2 from Mar 20 2013 r6390

parse_simuconf() at config/simuconf.tab: Reading simuconf.tab successful!

Server started, added 2 server sockets

Preparing display ...

parse_simuconf() at pak64.german_pm/config/simuconf.tab: 

Reading simuconf.tab successful!

Reading city configuration ...

Warning: stadt_t::cityrules_init():     house rule 4 entry (1,4) is ' ' and will be ignored

Warning: stadt_t::cityrules_init():     house rule 4 entry (1,5) is ' ' and will be ignored

Reading speedbonus configuration ...

Reading menu configuration ...

Warning: create_simple_tool():  deprecated tool [27] requested

Reading object data from pak64.german_pm/...

ERROR: building_reader_t::register_obj():       Building DenkSteele has 3 layouts (illegal) => set to 2

For help with this error or to file a bug report please see the Simutrans forum:

http://forum.simutrans.com

ERROR: building_reader_t::register_obj():       Building DenkSiegfried has 3 layouts (illegal) => set to 2

For help with this error or to file a bug report please see the Simutrans forum:

http://forum.simutrans.com

ERROR: building_reader_t::register_obj():       Building DenkBeethofen has 3 layouts (illegal) => set to 2

For help with this error or to file a bug report please see the Simutrans forum:

http://forum.simutrans.com

ERROR: building_reader_t::register_obj():       Building DenkBach has 3 layouts (illegal) => set to 2

For help with this error or to file a bug report please see the Simutrans forum:

http://forum.simutrans.com

ERROR: hausbauer_t::alles_geladen():    unknown subtype 6 of "MaglevGround" ignored

For help with this error or to file a bug report please see the Simutrans forum:

http://forum.simutrans.com

ERROR: hausbauer_t::alles_geladen():    unknown subtype 6 of "NarrowgaugeGround" ignored

For help with this error or to file a bug report please see the Simutrans forum:

http://forum.simutrans.com

Reading menu configuration ...

Warning: werkzeug_t::read_menu():       toolbar[13][3]: replaced way-builder(id=14) with default param=cityroad by cityroad builder(id=36)

Midi disabled ...

Warning: karte_t::laden:        disconnecting all clients

World destroyed.

Warning: karte_t::laden:        Fileversion: 102002

Calculating textures ...done

Warning: karte_t::laden():      loaded savegame from 0/1932, next month=1048576, ticks=21200 (per month=1<<20)

ERROR: modal_dialogue():        called without a display driver => nothing will be shown!

For help with this error or to file a bug report please see the Simutrans forum:

http://forum.simutrans.com

World destroyed.