Undefined option "services_style" called from:

Array[9]
   0 => Array[3]
      file => "/home/customer/www/limestore.it/public_html/wp-includes/class-wp-hook.php"
      line => 308
      function => "trx_addons_cpt_services_related_posts"
   1 => Array[5]
      file => "/home/customer/www/limestore.it/public_html/wp-includes/class-wp-hook.php"
      line => 332
      function => "apply_filters"
      class => "WP_Hook"
      type => "->"
   2 => Array[5]
      file => "/home/customer/www/limestore.it/public_html/wp-includes/plugin.php"
      line => 517
      function => "do_action"
      class => "WP_Hook"
      type => "->"
   3 => Array[3]
      file => "/home/customer/www/limestore.it/public_html/wp-content/plugins/trx_addons/components/cpt/services/services.php"
      line => 461
      function => "do_action"
   4 => Array[3]
      file => "/home/customer/www/limestore.it/public_html/wp-includes/class-wp-hook.php"
      line => 308
      function => "trx_addons_cpt_services_related_posts_after_article"
   5 => Array[5]
      file => "/home/customer/www/limestore.it/public_html/wp-includes/class-wp-hook.php"
      line => 332
      function => "apply_filters"
      class => "WP_Hook"
      type => "->"
   6 => Array[5]
      file => "/home/customer/www/limestore.it/public_html/wp-includes/plugin.php"
      line => 517
      function => "do_action"
      class => "WP_Hook"
      type => "->"
   7 => Array[3]
      file => "/home/customer/www/limestore.it/public_html/wp-content/plugins/trx_addons/components/cpt/services/tpl.single.php"
      line => 85
      function => "do_action"
   8 => Array[4]
      file => "/home/customer/www/limestore.it/public_html/wp-includes/template-loader.php"
      line => 106
      args => Array[1]
         0 => "/home/customer/www/limestore.it/public_html/wp-content/plugins/trx_addons/components/cpt/services/tpl.single.php"
      function => "include"