i can't login to qmailadmin anymore after recompiling vpopmail

[alexus]

I run FreeBSD 4.3-RELEASE

i use latest version for vpopmail/qmailadmin/mysql (all of 'em is stable)

after adding support of mysql to my vpopmail i can't login on qmailadmin
anymore

basically i just add --enable-mysql=y

any ideas?