SAP Message 01130 - $ is not a menu. (Choose a menu)

Diagnosis
In the Start menu, you have entered a code, which does not represent amenu.

System Response
The system only allows menus to be entered here. Start transactions,for example, cannot be entered.

Procedure
Please enter a menu in this field if you do not want to get the defaultSAP menu after you log on. Otherwise leave the field blank.