Error update Dimension in Bex Query Designer

Hi

I try to add a new dimension in Query Designer, I drag the dimension from let side to right side, when this dimension put un Lines Section is green color,

and then i execute the Universe Design Tool, i open the universe the was contructed from the query thar i just update, so when i go the option

View - > Refresh Structure , the new dimension does not apper in the universe,

pls help

Omar.