Fatal error: Uncaught Error: Call to undefined function is_plugin_active() in /home/customer/www/laurenolauren.com/public_html/wp-content/themes/alt/lib/ud-slider.php:20
Stack trace:
#0 /home/customer/www/laurenolauren.com/public_html/wp-includes/template.php(785): require()
#1 /home/customer/www/laurenolauren.com/public_html/wp-includes/template.php(718): load_template('/home/customer/...', false, Array)
#2 /home/customer/www/laurenolauren.com/public_html/wp-includes/general-template.php(204): locate_template(Array, true, false, Array)
#3 /home/customer/www/laurenolauren.com/public_html/wp-content/themes/alt/lib/helper-functions.php(242): get_template_part('lib/ud-slider', '')
#4 /home/customer/www/laurenolauren.com/public_html/wp-includes/class-wp-hook.php(308): ud_after_header_slider('')
#5 /home/customer/www/laurenolauren.com/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#6 /home/customer/www/laurenolauren.com/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#7 / in
/home/customer/www/laurenolauren.com/public_html/wp-content/themes/alt/lib/ud-slider.php on line
20