upgrade from 1.4.6 to 1.4.9 - please help

[tomo]

Hello, my name is Tomek, my english is not good but i try.
I and my friends use coppermine in ver 1.4.6, before (from 1.4.3 to 1.4.6) upgrading is not hard - i overwrite old files new. When i upgrade to 1.4.9 i not read FAQ. I made backup old gallery but i forgett make backup of database. After upgrade, how is write in FAQ i'have this: www.fotogaleria.csk.pl - i'cant load any picture and most function don't work. This gallery is us hobby and i'm dissperait. Please help, is possible to fix this?

[Nibbler]

Disable the SEF urls plugin.

[tomo]

Thanks  Now gallery work great.