Problem convert pbpbb3 -> SMF

[spectrrumx]

Hi, i have problem.

I convert my forum phpbb3 (fenixpolska.2ap.pl/board/index.php) to (fenixpolska.2ap.pl/smf2/index.php)

Convert succes.

After convert i have probelm. When user write new topic is bad.

Fatal error: Cannot redeclare preparsecode() (previously declared in /home/fenixpolska/domains/fenixpolska.2ap.pl/public_html/smf/Sources/Subs-Post.php:158) in /domains/fenixpolska.2ap.pl/public_html/smf/Sources/Subs-Post.php on line 375

My Subs-Post.php

LINE 158(red):

function preparsecode(&$message, $previewing = false)

LINE 375(green):

   

}

You can test forum SMF.