Erro No Cabeçalho

[felipedorgas 25]

somento no http://localhost:8090/?subtopic=latestnews

 

apareçe esse erro:

 

Warning: date()[function.date]:It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We

 

 

tem como tira ?

Editado Julho 12, 2010 por felipedorgas