Problem with Apache Configuration Rebuild

hello my problem is when rebuile apache configuration show this error Rebuilding httpd.conf " [2019-09-30 12:05:28 +0330] warn [rebuildhttpdconf] [12043] TIME 1569832528 UID 0 clobbered stale lock file "/etc/apache2/conf/httpd.conf.lock" (NAME "whostmgr2 - rebuildhttpdconf - safeaprestart - locking config", UID 0) written by PID 32307 at 1569832073 at /usr/local/cpanel/Cpanel/SafeFile.pm line 931. Cpanel::SafeFile::_lock_wait("/etc/apache2/conf/httpd.conf", Cpanel::SafeFileLock=ARRAY(0x1319188), "/etc/apache2/conf/httpd.conf.lock") called at /usr/local/cpanel/Cpanel/SafeFile.pm line 350 Cpanel::SafeFile::_safelock("/etc/apache2/conf/httpd.conf") called at /usr/local/cpanel/Cpanel/SafeFile.pm line 553 Cpanel::SafeFile::_safe_open(undef, 66, "/etc/apache2/conf/httpd.conf", CODE(0x1319038), "safesysopen") called at /usr/local/cpanel/Cpanel/SafeFile.pm line 210 eval {...} called at /usr/local/cpanel/Cpanel/SafeFile.pm line 209 Cpanel::SafeFile::safesysopen(undef, "/etc/apache2/conf/httpd.conf", 66, 384) called at /usr/local/cpanel/Cpanel/SafeFile.pm line 124 Cpanel::SafeFile::safesysopen_no_warn_on_fail(undef, "/etc/apache2/conf/httpd.conf", 66, 384) called at /usr/local/cpanel/Cpanel/Transaction/File/Base.pm line 128 Cpanel::Transaction::File::Base::new("Cpanel::Transaction::File::Raw", "path", "/etc/apache2/conf/httpd.conf") called at /usr/local/cpanel/Cpanel/Transaction.pm line 20 eval {...} called at /usr/local/cpanel/Cpanel/Transaction.pm line 20 Cpanel::Transaction::get_httpd_conf() called at /usr/local/cpanel/Cpanel/ApacheConf/Rebuild.pm line 85 Cpanel::ApacheConf::Rebuild::rebuild_full_http_conf("/etc/apache2/conf/httpd.conf", 0, 0) called at /usr/local/cpanel/scripts/rebuildhttpdconf line 122 BuildHttpdConf::run(BuildHttpdConf=HASH(0x86f8a8)) called at /usr/local/cpanel/scripts/rebuildhttpdconf line 70 Built /etc/apache2/conf/httpd.conf OK Restarting Apache (hard) " 1 Done!
and when create new account to cpanel show this error on sites 503 Service Unavailable The server is temporarily busy, try again later!
please help me for solve this problem thanks ...