Exactly what method are you using to change the value of Assigned To?
Try putting a Msgbox outside of the IF statement to confirm that the subroutine is getting called at all.
Have you logged out and logged back in to the project since modifying the workflow code?
Is your project linked to a template project?
I see you have Wizard workflow routines in your Bug area. When I added the code I had not done anything with the Script Generator Wizards to modify the Defects area. Maybe the generated scripts are interfering in some way.
Try putting a Msgbox outside of the IF statement to confirm that the subroutine is getting called at all.
Have you logged out and logged back in to the project since modifying the workflow code?
Is your project linked to a template project?
I see you have Wizard workflow routines in your Bug area. When I added the code I had not done anything with the Script Generator Wizards to modify the Defects area. Maybe the generated scripts are interfering in some way.