Procedure in the FM Portal
Create a new (fictitious) employee in the personnel list (Basic Data - Personnel List).
In the FM Portal Login Data section, under the Change Password option, select Change and enter a password for the user. Then, in the User Group Assignment section, select the user group you created and save the record.
Log in to the FM Portal using the newly created user.
The user now has access to the menu items that have been enabled for them.
Note: Delete the created employee afterward.