Fatal error: Uncaught Error: Function name must be a string in /home/lifescience/ftp/lifescience.pl/en/wp-content/themes/choices/framework/php/class-style-generator.php:119 Stack trace: #0 /home/lifescience/ftp/lifescience.pl/en/wp-includes/plugin.php(496): avia_style_generator->create_styles('') #1 /home/lifescience/ftp/lifescience.pl/en/wp-includes/general-template.php(2206): do_action('wp_head') #2 /home/lifescience/ftp/lifescience.pl/en/wp-content/themes/choices/header.php(86): wp_head() #3 /home/lifescience/ftp/lifescience.pl/en/wp-includes/template.php(501): require_once('/home/lifescien...') #4 /home/lifescience/ftp/lifescience.pl/en/wp-includes/template.php(477): load_template('/home/lifescien...', true) #5 /home/lifescience/ftp/lifescience.pl/en/wp-includes/general-template.php(45): locate_template(Array, true) #6 /home/lifescience/ftp/lifescience.pl/en/wp-content/themes/choices/single.php(15): get_header() #7 /home/lifescience/ftp/lifescience.pl/en/wp-includes/template-loader.php(74): include('/home/lifescien... in /home/lifescience/ftp/lifescience.pl/en/wp-content/themes/choices/framework/php/class-style-generator.php on line 119