SIMBL Plugin problem in Snow Leopard

Question

Hi all

I am trying to develop a Sagari plugin using SIMBL. I need to detect the page load event in order to block some website. I started from a PithHelmet 0.7.2. source code (http://www.culater.net/software/PithHelmet/PithHelmet.php). My plugin works fine in Leopard, but i have this error in snow leopard (the plugin is already compiled in 64 bit mode)

Safari[2950]    Error loading /Library/Application
Support/SIMBL/Plugins/LinkBlock.bundle/Contents/MacOS/LinkBlock: 
dlopen(/Library/Application
Support/SIMBL/Plugins/LinkBlock.bundle/Contents/MacOS/LinkBlock, 265):
Symbol not found: _OBJC_CLASS_$_LocationChangeHandler\
  Referenced from: /Library/Application
Support/SIMBL/Plugins/LinkBlock.bundle/Contents/MacOS/LinkBlock\
  Expected in: flat namespace}

Can you help me?

Regards Sebastiano