I see my error log file and i see this erors

2012-08-14 14:29:48 – PHP Notice: Undefined index: layout_type in /home/mysite90/public_html/vqmod/vqcache/vq2-catalog_view_theme_shoppica2_template_common_header.tpl on line 46
2012-08-14 14:29:48 – PHP Notice: Undefined index: show_search_bar in /home/mysite90/public_html/vqmod/vqcache/vq2-catalog_view_theme_shoppica2_template_common_header.tpl on line 67
2012-08-14 14:29:48 – PHP Notice: Undefined index: show_search_bar in /home/mysite90/public_html/vqmod/vqcache/vq2-catalog_view_theme_shoppica2_template_common_header.tpl on line 70
2012-08-14 14:29:48 – PHP Notice: Undefined index: cart_menu_position in /home/mysite90/public_html/vqmod/vqcache/vq2-catalog_view_theme_shoppica2_template_common_header.tpl on line 94
2012-08-14 14:29:48 – PHP Notice: Undefined index: wishlist_enabled in /home/mysite90/public_html/vqmod/vqcache/vq2-catalog_view_theme_shoppica2_template_common_header.tpl on line 113
2012-08-14 14:29:48 – PHP Notice: Undefined index: checkout_enabled in /home/mysite90/public_html/vqmod/vqcache/vq2-catalog_view_theme_shoppica2_template_common_header.tpl on line 117
2012-08-14 14:29:48 – PHP Notice: Undefined index: cart_menu_position in /home/mysite90/public_html/vqmod/vqcache/vq2-catalog_view_theme_shoppica2_template_common_header.tpl on line 142
2012-08-14 14:29:48 – PHP Notice: Undefined index: price_design in /home/mysite90/public_html/tb_themes/shoppica2/catalog/plugin/FontsPlugin.php on line 34
2012-08-14 14:29:48 – PHP Notice: Undefined index: border_type in /home/mysite90/public_html/tb_themes/shoppica2/catalog/plugin/FontsPlugin.php on line 35
2012-08-14 14:29:48 – PHP Notice: Undefined index: menu_infopages_enabled in /home/mysite90/public_html/catalog/view/theme/shoppica2/template/tb/menu.tpl on line 8
2012-08-14 14:29:48 – PHP Notice: Undefined index: footer_navigation_enabled in /home/mysite90/public_html/catalog/view/theme/shoppica2/template/common/footer.tpl on line 101
2012-08-14 14:29:48 – PHP Warning: Cannot modify header information – headers already sent by (output started at /home/mysite90/public_html/index.php:104) in /home/mysite90/public_html/vqmod/vqcache/vq2-system_library_currency.php on line 45
2012-08-14 14:29:48 – PHP Warning: Cannot modify header information – headers already sent by (output started at /home/mysite90/public_html/index.php:104) in /home/mysite90/public_html/country_currency.php on line 69

can you helpe me to resolve this-