buffer distance widget has an error

[anjelinaponker]

I,m using Buffer Distance widget that wrote by rscheitlin , I,m using flex viewer 3 and Arc GIS Server 10.1, but when I want to generate buffer the widget return this error:

[RPC Fault faultString="Error executing buffer" faultCode="500" faultDetail=""]

[anjelinaponker]

The problem solved. it was related to my Geometry server address.