How to find the Variable from Bex query

Hi Gurus,

Please need your help to solve my problem.

i unable to get the output from these Bex Query -ZGB02C14_Q001,due to query asking variable ,so I have taken  variable from  the data targets.

but there is no data.

some time back  one user  is used variable ,so  I have to use the same variable to execute  the bex query.

Please help me as early as possible.

regards

sanjeeve