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Hello, 

When i access my sympa web page i receive the error message:  The server is
temporarily unable to service your request due to maintenance downtime or
capacity problems. Please try again later

sympa log file: (this message apears in loop)
Jan 15 16:51:32 ubuntu bounced[6343]: mail::reaper() Reaper unwaited pids : 
Open = 0
Jan 15 16:51:37 ubuntu archived[6336]: List::init_list_cache()
List::init_list_cache()
Jan 15 16:51:37 ubuntu bounced[6343]: List::init_list_cache()
List::init_list_cache()
Jan 15 16:51:37 ubuntu bounced[6343]: mail::reaper() Reaper unwaited pids : 
Open = 0
 
apache started - ok 
mysql started - ok 
sympa started : Starting Sympa subsystem:
Starting sympa, overwritting old pid file.success
Starting module archived.pl: success
Starting module bounced.pl: success
Starting module task_manager.pl: Missing files. Aborting.
failure
touch: cannot touch `/var/lock/subsys/sympa': No such file or directory

Please help me. 
Thanks a lot