Every body help me please..install plugin architecture

[aimar31]

hi every body!
i have problem about plugin architecture.
i install cacti 0.8.7e . i can run cacti normally.
i can login and add device .
now i want install plugin architecture.
1. i download architecture 2.6 and extract
2. i copy 2.6.diff to /usr/share/cacti and run patch -p1 -N < 2.6.diff
*no have error
3. i change config /include/global.php
* $config['url_path'] = "/cacti/";
4. i add pa.sql *mysql -u root -p cacti < pa.sql

and i run //server/cacti and i not have graphic
* graphic login to cacti no have.

Can you help me please.

[Linegod]

Start with checking your apache error log.

[aimar31]

how i can check apache error?