Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, class TagStack\PublicClass does not have a method "filter_single_tag_title" in /var/www/vhosts/indirimradar.com/httpdocs/wp-includes/class-wp-hook.php:324 Stack trace: #0 /var/www/vhosts/indirimradar.com/httpdocs/wp-includes/plugin.php(205): WP_Hook->apply_filters() #1 /var/www/vhosts/indirimradar.com/httpdocs/wp-includes/general-template.php(1619): apply_filters() #2 /var/www/vhosts/indirimradar.com/httpdocs/wp-includes/general-template.php(1579): single_term_title() #3 /var/www/vhosts/indirimradar.com/httpdocs/wp-includes/general-template.php(1721): single_tag_title() #4 /var/www/vhosts/indirimradar.com/httpdocs/wp-includes/general-template.php(1698): get_the_archive_title() #5 /var/www/vhosts/indirimradar.com/httpdocs/wp-content/themes/bam-pro/archive.php(25): the_archive_title() #6 /var/www/vhosts/indirimradar.com/httpdocs/wp-includes/template-loader.php(106): include('...') #7 /var/www/vhosts/indirimradar.com/httpdocs/wp-blog-header.php(19): require_once('...') #8 /var/www/vhosts/indirimradar.com/httpdocs/index.php(17): require('...') #9 {main} thrown in /var/www/vhosts/indirimradar.com/httpdocs/wp-includes/class-wp-hook.php on line 324