Customfields doesn't work

[Vormillion]

Hello,

I'm using VM 2.0.22.
I have configured product's custom fields. Week ago, when I clicked on list to add custom fields into product everything was OK (custom field appeard below list). But today, when i choose something from list, it don't appears below.

Whats happened?

[Maxim Pishnyak]

Probably you installed some custom extensions last time.