Diagnosis
The password you entered contains fewer than &V1& letters.
This number of letters is specified by the administrator.

Procedure
Enter a password with at least &V1& letters.
The letters A-Z and a-z are valid letters.

Procedure for System Administration
The administrator can specify this value using the profile parameterlogin/min_password_letters.
For further documentation, refer to Maintain Profile Parameters(transaction RZ11)