You have not defined a scale

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Procedure for System Administrators

Define the required scales in Customizing for Personnel Development
(step:
<DS:SIMG.SIMG_CFMENUOHP2OOSC>Edit Scales</>.

Error message extract from SAP system. Copyright SAP SE.