HTML CODE PROBLEM Phpbb 2.0.21 -> SMF 1.1 RC3

[Designer]

SMF Version: SMF 1.1 RC3
hi guys, i've a little problem... i've made the conversion phpbb -> smf... when i look the posts in the forums i will see html tags like these «br /»«br /»«br /»«br /»...i don't know how i can do to resolve this problem...can u help me pls? sry 4 my bad english.. i'm italian! pls reply to me..

[jerm]

try running the conversion process again.