I have the same error after the activation of YT Cool content accordion or YT Cool K2 content accordion

I have able also the max error display for debug, but on homepage I see only a white page

do you know which is the problem?

thanks

[edit:] joomla 1.5.25 (before same problem with 1.5.23)
same problem with other component Yt K2 Mega Slider

Dear Roberto Catena,

maybe you use the old version of modules.

Please download the latest version of modules on our site.

Thanks