apache wont start after power failure

[snaaps]

Hello,

when i run:
# /opt/lampp/lampp restart
I get this message:
XAMPP: Starting Apache with SSL (and PHP5)...
XAMPP: Error 1! Couldn't start Apache!
XAMPP: Starting diagnose...
XAMPP: Sorry, I've no idea what's going wrong.

When i run:
Service httpd restart i get:
Starting httpd: httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName
(21)Is a directory: httpd: could not open error log file /opt/lampp/logs.
Unable to open logs

Is there anybody how can help me with this?