Fatal error: Uncaught TypeError: round(): Argument #1 ($num) must be of type int|float, string given in /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-content/plugins/fusion-builder/shortcodes/fusion-button.php:636 Stack trace: #0 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-content/plugins/fusion-builder/shortcodes/fusion-button.php(636): round('4px') #1 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-content/plugins/fusion-builder/inc/class-fusion-builder-element.php(112): FusionSC_Button->add_styling() #2 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-content/plugins/fusion-builder/shortcodes/fusion-button.php(39): Fusion_Element->__construct() #3 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-content/plugins/fusion-builder/shortcodes/fusion-button.php(880): FusionSC_Button->__construct() #4 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-content/plugins/fusion-builder/fusion-builder.php(586): require_once('/www/htdocs/w01...') #5 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-content/plugins/fusion-builder/fusion-builder.php(1420): FusionBuilder->init_shortcodes() #6 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-content/plugins/fusion-builder/fusion-builder.php(200): FusionBuilder->includes() #7 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-content/plugins/fusion-builder/fusion-builder.php(174): FusionBuilder->__construct() #8 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-content/plugins/fusion-builder/fusion-builder.php(2223): FusionBuilder::get_instance() #9 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-includes/class-wp-hook.php(324): fusion_builder_activate('') #10 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #11 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #12 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-settings.php(705): do_action('after_setup_the...') #13 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-config.php(166): require_once('/www/htdocs/w01...') #14 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-load.php(50): require_once('/www/htdocs/w01...') #15 /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-blog-header.php(13): require_once('/www/htdocs/w01...') #16 /www/htdocs/w019415b/floridsdorfer-spatzen.at/index.php(17): require('/www/htdocs/w01...') #17 {main} thrown in /www/htdocs/w019415b/floridsdorfer-spatzen.at/wp-content/plugins/fusion-builder/shortcodes/fusion-button.php on line 636