Time zone &1 is not valid in country &2 (multiple options)

What causes this issue?

1. If the time zone entered is not maintained as the default setting for
the country.
2. If the time zone entered for the country and region is not maintained
as the default setting for this combination of country and region.
3. If the time zone entered for the country and postal code is not
maintained as the default setting for this combination of country and
postal code.

System Response

The warning AM 482 is displayed under the circumstances detailed above.

How to fix this error?

Delete the entry in the field "time zone". The default time zone for the
combination of country, region and postal code will then be used,
provided it has been maintained in the IMG ( "Maintain time zones") .

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.