Fatal error: Uncaught Error: Call to undefined function RankMath\wp_rand() in /www/wwwroot/pbet9.net/wp-content/plugins/seo-by-rank-math/includes/class-installer.php:605
Stack trace:
#0 /www/wwwroot/pbet9.net/wp-content/plugins/seo-by-rank-math/includes/class-installer.php(139): RankMath\Installer->create_cron_jobs()
#1 /www/wwwroot/pbet9.net/wp-content/plugins/seo-by-rank-math/includes/class-installer.php(49): RankMath\Installer->activate()
#2 /www/wwwroot/pbet9.net/wp-includes/class-wp-hook.php(324): RankMath\Installer->activation()
#3 /www/wwwroot/pbet9.net/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#4 /www/wwwroot/pbet9.net/wp-includes/plugin.php(517): WP_Hook->do_action()
#5 /www/wwwroot/pbet9.net/wp-admin/includes/plugin.php(703): do_action()
#6 /www/wwwroot/pbet9.net/wp-content/plugins/seo-by-rank-math-pro/rank-math-pro.php(516): activate_plugin()
#7 /www/wwwroot/pbet9.net/wp-content/plugins/seo-by-rank-math-pro/rank-math-pro.php(186): RankMathPro->activate_free_version()
#8 /www/wwwroot/pbet9.net/wp-content/plugins/seo-by-rank-math-pro/rank-math-pro.php(133): RankMathPro->are_requirements_met()
#9 /www/wwwroot/pbet9.net/wp-content/plugins/seo-by-rank-math-pro/rank-math-pro.php(124): RankMathPro->__construct()
#10 /www/wwwroot/pbet9.net/wp-content/plugins/seo-by-rank-math-pro/rank-math-pro.php(544): RankMathPro::get()
#11 /www/wwwroot/pbet9.net/wp-content/plugins/seo-by-rank-math-pro/rank-math-pro.php(548): rank_math_pro()
#12 /www/wwwroot/pbet9.net/wp-settings.php(545): include_once('...')
#13 /www/wwwroot/pbet9.net/wp-config.php(107): require_once('...')
#14 /www/wwwroot/pbet9.net/wp-load.php(50): require_once('...')
#15 /www/wwwroot/pbet9.net/wp-blog-header.php(13): require_once('...')
#16 /www/wwwroot/pbet9.net/index.php(17): require('...')
#17 {main}
thrown in /www/wwwroot/pbet9.net/wp-content/plugins/seo-by-rank-math/includes/class-installer.php on line 605