Radius Dimesion error

Sometimes while using model items to dimension in drawing, Isee arrow away from the arc/circle (refer pic)

Any one seen that??

Any clues or reasons for it?

What is the solution? I tried using different leader display but noway out.

TIA

Click on link for the pic

http://img74.imageshack.us/img...diusdimensionerror.jpgSolidworksDrawings And Detailing