2: Invalid argmnt supplied for foreach() in TPortal.template.php

[than]

Hi,

I have two tinyportal working communities using spanish as default language and everyday appears this error in both made by visitors:

Visitante   Hoy a las 09:54:59 
66.249.7x.7x     b864b66e7b0315a4d1ad51dc41a85eab 
http_://www.windowsmobile.than.org.es/index.php?page=33;theme= 
2: Invalid argument supplied for foreach()
Archivo: /home/xxxxxxx/public_html/windowsmobile/Themes/default/TPortal.template.php (eval?)
LÃÆ'Ã,­nea: 670

In some cases:
Visitante   Hoy a las 10:49:43 
87.219.190.98     2644acd39e40da2f3f50e92fea876dd6 
http_://www.windowsmobile.than.org.es/index.php?action=tpmod;dl=item28 
2: Invalid argument supplied for foreach()
Archivo: /home/xxxxxxx/public_html/windowsmobile/Themes/default/Errors.template.php (eval?)
LÃÆ'Ã,­nea: 670

Please helpme to solve it.