Fatal error: Uncaught Error: Call to undefined function RankMath\wp_rand() in /home/u423110101/domains/techmob.co.in/public_html/edu/wp-content/plugins/seo-by-rank-math/includes/class-installer.php:605 Stack trace: #0 /home/u423110101/domains/techmob.co.in/public_html/edu/wp-content/plugins/seo-by-rank-math/includes/class-installer.php(139): RankMath\Installer->create_cron_jobs() #1 /home/u423110101/domains/techmob.co.in/public_html/edu/wp-content/plugins/seo-by-rank-math/includes/class-installer.php(49): RankMath\Installer->activate() #2 /home/u423110101/domains/techmob.co.in/public_html/edu/wp-includes/class-wp-hook.php(308): RankMath\Installer->activation(false) #3 /home/u423110101/domains/techmob.co.in/public_html/edu/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #4 /home/u423110101/domains/techmob.co.in/public_html/edu/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /home/u423110101/domains/techmob.co.in/public_html/edu/wp-admin/includes/plugin.php(691): do_action('activate_seo-by. in /home/u423110101/domains/techmob.co.in/public_html/edu/wp-content/plugins/seo-by-rank-math/includes/class-installer.php on line 605