Here is the last part, where this fail appears:
Any idea what I shall do to get rid of this error? 
Regards,
Jan Guldvog
Code:
-- End post apache restart tests --
!! Executing '/usr/local/cpanel/scripts/initfpsuexec' !!
!! Executing '/usr/local/cpanel/scripts/initsslhttpd' !!
!! Executing '/usr/local/cpanel/scripts/fixmailman' !!
!! '/usr/local/cpanel/scripts/fixmailman' failed with exit code '6400' !!
!! Executing '/usr/local/cpanel/scripts/update_apachectl' !!
!! Executing '/usr/local/cpanel/scripts/enablefileprotect' !!
Compiling report...
Sending report. As some of the attached files may be quite large, this could take a few minutes. Thanks for your patience.
!! If you want to create a support ticket with cPanel regarding this please reference 'BuildAP Report Id': '15414225' !!
Report processed.
!! Verbose logfile is at '/usr/local/cpanel/logs/easy/apache/build.1419233214' !!
Regards,
Jan Guldvog