[mod_python] Fwd: 406 Not Acceptable

HI,

I have problem with my mod_python scripts and publisher.
When i reinstals from Debian to Gentoo my scripts generate this error
message afret every seccond reqest from restart apache.
Apache: mpm-prefork

Apache/2.0.54 (Gentoo/Linux) mod_python/3.1.4 Python/2.4.2
mod_fastcgi/2.4.2 mod_ssl/2.0.54 OpenSSL/0.9.7e PHP/4.4.0-gentoo-r1

Error:
Not Acceptable

An appropriate representation of the requested resource
/newz2/gate/active could not be found on this server.
Available variants:

    * active.py , type text/x-python
    * active.pyo , type application/x-python-code

Config:

PythonOptimize On

SetHandler python-program
PythonPath "sys.path+['/hosting/xxxx/lib/python/']"
PythonHandler _nPublisher
PythonDebug On
PythonAutoReload On

Please, do you have any ideas to repair it ? Thanks.

/ Sorry for my bad english ;) /