Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, class AIOWPSecurity_Installer does not have a method "update_event_table_column_to_timestamp" in /home/server551631/ftp/wp-content/plugins/all-in-one-wp-security-and-firewall/classes/wp-security-installer.php:64
Stack trace:
#0 /home/server551631/ftp/wp-content/plugins/all-in-one-wp-security-and-firewall/classes/wp-security-installer.php(44): AIOWPSecurity_Installer::check_tasks()
#1 /home/server551631/ftp/wp-content/plugins/all-in-one-wp-security-and-firewall/wp-security-core.php(388): AIOWPSecurity_Installer::run_installer()
#2 /home/server551631/ftp/wp-content/plugins/all-in-one-wp-security-and-firewall/wp-security-core.php(430): AIO_WP_Security->db_upgrade_handler()
#3 /home/server551631/ftp/wp-includes/class-wp-hook.php(324): AIO_WP_Security->plugins_loaded_handler('')
#4 /home/server551631/ftp/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#5 /home/server551631/ftp/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#6 /home/server551631/ftp/wp-settings.php(506): do_action('plugins_loaded')
#7 /home/server551631/ftp/wp-config.php(102): require_once('/home/server551...')
#8 /home/server551631/ftp/wp-load.php(50): require_once('/home/server551...')
#9 /home/server551631/ftp/wp-blog-header.php(13): require_once('/home/server551...')
#10 /home/server551631/ftp/index.php(17): require('/home/server551...')
#11 {main}
thrown in /home/server551631/ftp/wp-content/plugins/all-in-one-wp-security-and-firewall/classes/wp-security-installer.php on line 64