RESOLUTION
1. Check if all needed services are running inside HSPcomplete server - mysqld, httpd_frontend, httpd_backend, vzcoll, named - and restart them if needed:
# /etc/init.d/mysqld start
# /etc/init.d/httpd start 2. Check if apache is able to write into HSPcomplete logs - *.log files under
/var/log/hspc # ls -l /var/log/hspc/*log 3. Check if there is disk space available inside HSPcomplete server:
# df -h 4. If HSPcomplete is installed inside Virtuozzo VE check failcounters in
/proc/user_beancounters # cat /proc/user_beancounters 5. Check if some of the tables in 'aspc', 'dbsession' MySQL databases are corrupted and repair them using 'mysqlcheck' utility.