Jivtesh thinks that FRx will be around for a while and I tend to agree. Since you’ll still be using it, he give us a fix for Error 3617 The changes you requested to the table were not successful because they would create duplicate values in the index, primary key, or relationship. Change the data in the field or fields that contain duplicate data, remove the index, or redefine the index to permit duplicate entries and try again.”
FRx : Error 3617
Install, Upgrade & AdminReporting & BISQL & Data
Archived post from 2010. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.