'You are not assigned to a security profile' error message

Users are not able to log on when they receive this error message: ”'You are not assiged to a security profile. Please contact your system administrator.” To fix this problem, have your system administrator open Appointments™ and go to Tools > Preferences and click on the "User Maint" tab. Then select the user having the problem, click "Edit" and choose a profile near the top of the window.