Error persistente en archivo err.log

VirtueMart 2.6.6 y Joomla! 2.5.22

Estimados, tengo este error que me aparece constantemente, podrian indicarme a que se debe? me aparece en el archivo err.log
Muchas gracias

[15-Aug-2014 00:02:33 Europe/Madrid] PHP Notice: Undefined variable: askQuestionData in /home/strikefl/public_html/catalogo/components/com_virtuemart/views/recommend/tmpl/form.php on line 85
[15-Aug-2014 00:02:33 Europe/Madrid] PHP Notice: Undefined variable: ask_comment in /home/strikefl/public_html/catalogo/components/com_virtuemart/views/recommend/tmpl/form.php on line 95
[15-Aug-2014 00:02:33 Europe/Madrid] PHP Notice: Undefined variable: askQuestionData in /home/strikefl/public_html/catalogo/components/com_virtuemart/views/recommend/tmpl/form.php on line 95
[15-Aug-2014 00:02:33 Europe/Madrid] PHP Notice: Undefined variable: document in /home/strikefl/public_html/catalogo/templates/sfgui11/component.php on line 5
[15-Aug-2014 00:02:33 Europe/Madrid] PHP Notice: Trying to get property of non-object in /home/strikefl/public_html/catalogo/templates/sfgui11/component.php on line 5

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