some messages that i could not understand

[gogo]

i installed a gnustep on my windows, i wrote a simple gui application
followed a tutorial and built successfully under mysys environment.
but when i run the application, the console displayed these messages:

2007-09-11 12:26:45.352 gui_test.exe[2412] Disallowed time zone name
`@tzres.dll,-572'.
2007-09-11 12:26:45.352 gui_test.exe[2412] Using time zone with
absolute offset 0.
2007-09-11 12:26:45.352 gui_test.exe[2412] Bad application class
'(nil)' specified

i just want to kown what the messages mean?
thanks!