Fatal error: Uncaught Error: Call to undefined function AdvancedAds\Framework\Utilities\mb_strpos() in /home/fortworthkey/public_html/wp-content/plugins/advanced-ads/packages/advanced-ads/framework/src/utilities/class-str.php:44 Stack trace: #0 /home/fortworthkey/public_html/wp-content/plugins/advanced-ads-tracking/public/class-compatibility.php(34): AdvancedAds\Framework\Utilities\Str::contains('peepsoajax', '/events/tag/per...') #1 /home/fortworthkey/public_html/wp-content/plugins/advanced-ads-tracking/addon-init.php(29): AdvancedAdsTracking\Compatibility->__construct(Object(Advanced_Ads_Tracking)) #2 /home/fortworthkey/public_html/wp-includes/class-wp-hook.php(324): advanced_ads_tracking_init_plugin('') #3 /home/fortworthkey/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #4 /home/fortworthkey/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /home/fortworthkey/public_html/wp-settings.php(559): do_action('plugins_loaded') #6 /home/fortworthkey/public_html/wp-config.php(99): require_once('/home/fortworth...') #7 /home/fortworthkey/public_html/wp-load.php(50): require_once('/home/fortworth...') #8 /home/fortworthkey/public_html/wp-blog-header.php(13): require_once('/home/fortworth...') #9 /home/fortworthkey/public_html/index.php(17): require('/home/fortworth...') #10 {main} thrown in /home/fortworthkey/public_html/wp-content/plugins/advanced-ads/packages/advanced-ads/framework/src/utilities/class-str.php on line 44