Parameter Doesnt Works [ Urgent ]

Hi Folks,

i have a parameter in my PRD that doesnt now working.

This parameter has a Dropdown list that returns this string '2013/05' that means 'YYYY/MM'.

after get this value selected in the dropdown list i set up it in my query with ${p_year_month}.

my parameter has datatype STRING, ok ?

but doesnt not work.




someone could help me ?