How to work add link on Top 10 bucket formula

Hi all ,

i am working on formula of top 10 and bucket as shown following,

formula : 1) RankBC=Rank([Quantity];[Material];Top) ForEach([Material])

              2) Material=If(([RankBC]>10)ForEach ([Material]);"Other";[Material])

after using these formula i have make 1 bar chart and on its add link event i want show month wise data in other bar chart.

but its not working..

following image show detail..

Please Help...