Re: Blank screen adding new stock item

>Check your apache log for error messages.
>It's usually found in /var/log/apache2/error.log

Thanks for information, but I already know this log and it not register nothing related to our difficult.
Is there a file where I can use _debug_array() or similar to extract some information?
In addition stock categories, what data I need to have pre-registered to add a stock item?

thanks.