Warning: Invalid argument supplied for foreach() in /var/www/polaris.unimib.it/htdocs/wp-content/plugins/logo-slider/logo-slider.php on line 603 Call Stack: 0.0001 633816 1. {main}() /var/www/polaris.unimib.it/htdocs/index.php:0 0.0002 634384 2. require('/var/www/polaris.unimib.it/htdocs/wp-blog-header.php') /var/www/polaris.unimib.it/htdocs/index.php:17 0.1689 18066496 3. require_once('/var/www/polaris.unimib.it/htdocs/wp-includes/template-loader.php') /var/www/polaris.unimib.it/htdocs/wp-blog-header.php:19 0.1706 18078512 4. include('/var/www/polaris.unimib.it/htdocs/wp-content/themes/twentyfourteen-tony/page.php') /var/www/polaris.unimib.it/htdocs/wp-includes/template-loader.php:74 0.4089 20931592 5. dynamic_sidebar() /var/www/polaris.unimib.it/htdocs/wp-content/themes/twentyfourteen-tony/page.php:60 0.4112 20937352 6. call_user_func_array() /var/www/polaris.unimib.it/htdocs/wp-includes/widgets.php:738 0.4113 20937968 7. WP_Widget->display_callback() /var/www/polaris.unimib.it/htdocs/wp-includes/widgets.php:0 0.4113 20939232 8. tony_renderLogoSliderInSideBar->widget() /var/www/polaris.unimib.it/htdocs/wp-includes/class-wp-widget.php:395 0.4114 20944136 9. do_shortcode() /var/www/polaris.unimib.it/htdocs/wp-content/themes/twentyfourteen-tony/widgets/display-logo-slider-in-sidebar.php:34 0.4114 20947520 10. preg_replace_callback() /var/www/polaris.unimib.it/htdocs/wp-includes/shortcodes.php:223 0.4114 20950104 11. do_shortcode_tag() /var/www/polaris.unimib.it/htdocs/wp-includes/shortcodes.php:0 0.4115 20950536 12. call_user_func() /var/www/polaris.unimib.it/htdocs/wp-includes/shortcodes.php:345 0.4115 20950608 13. wp_slider_shortcode() /var/www/polaris.unimib.it/htdocs/wp-includes/shortcodes.php:0 0.4115 20992384 14. logo_slider() /var/www/polaris.unimib.it/htdocs/wp-content/plugins/logo-slider/logo-slider.php:630