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 633208 1. {main}() /var/www/polaris.unimib.it/htdocs/index.php:0 0.0003 633776 2. require('/var/www/polaris.unimib.it/htdocs/wp-blog-header.php') /var/www/polaris.unimib.it/htdocs/index.php:17 0.3923 18054808 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 0.3952 18066824 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 1.0223 20916032 5. dynamic_sidebar() /var/www/polaris.unimib.it/htdocs/wp-content/themes/twentyfourteen-tony/page.php:60 1.0275 20921792 6. call_user_func_array() /var/www/polaris.unimib.it/htdocs/wp-includes/widgets.php:738 1.0275 20922408 7. WP_Widget->display_callback() /var/www/polaris.unimib.it/htdocs/wp-includes/widgets.php:0 1.0277 20923672 8. tony_renderLogoSliderInSideBar->widget() /var/www/polaris.unimib.it/htdocs/wp-includes/class-wp-widget.php:395 1.0277 20928576 9. do_shortcode() /var/www/polaris.unimib.it/htdocs/wp-content/themes/twentyfourteen-tony/widgets/display-logo-slider-in-sidebar.php:34 1.0278 20931960 10. preg_replace_callback() /var/www/polaris.unimib.it/htdocs/wp-includes/shortcodes.php:223 1.0279 20934544 11. do_shortcode_tag() /var/www/polaris.unimib.it/htdocs/wp-includes/shortcodes.php:0 1.0279 20934976 12. call_user_func() /var/www/polaris.unimib.it/htdocs/wp-includes/shortcodes.php:345 1.0279 20935048 13. wp_slider_shortcode() /var/www/polaris.unimib.it/htdocs/wp-includes/shortcodes.php:0 1.0279 20976824 14. logo_slider() /var/www/polaris.unimib.it/htdocs/wp-content/plugins/logo-slider/logo-slider.php:630