Re: I have error in admin panel
PHP (5.3.8) ERROR (E_WARNING):
File: lib/init/tra.php
Line: 57
Type: Invalid argument supplied for foreach()
This is resolved for 8.4 and you can manually fix your version now:
http://tikiwiki.svn.sourceforge.net/viewvc/tikiwiki?view=revision&revision=39645
Thanks!