Troubles after upgrading on OpenBSD

Hi folks,
i get errors from apache after the upgrading package from 1.6.0 to 1.8.1.
I made all steps from the tutorial.
What is wrong?

Best regards
Zdzich

==== Required information ====
- iRedMail version: iRedAdmin-Pro  1.8.1
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Linux/BSD distribution name and version: OpenBSD 5.2
- Related log if you're reporting an issue: Traceback (most recent call last):
  File "/var/www/iredadmin/iredadmin.py", line 8, in <module>
    from libs import iredbase
  File "/var/www/iredadmin/libs/iredbase.py", line 16, in <module>
    import iredutils
  File "/var/www/iredadmin/libs/iredutils.py", line 15, in <module>
    import settings
ImportError: No module named settings
[Sat Feb  8 15:33:01 2014] [error] [client 89.66.236.124] Premature end of script headers: /var/www/iredadmin/iredadmin.py
Traceback (most recent call last):
  File "/var/www/iredadmin/iredadmin.py", line 8, in <module>
    from libs import iredbase
  File "/var/www/iredadmin/libs/iredbase.py", line 16, in <module>
    import iredutils
  File "/var/www/iredadmin/libs/iredutils.py", line 15, in <module>
    import settings
ImportError: No module named settings
[Sat Feb  8 16:01:53 2014] [error] [client 89.66.236.124] Premature end of script headers: /var/www/iredadmin/iredadmin.py
====