No entry in table T005 exists for ISO code &1

What causes this issue?

Documents from Travel Management supply the ISO country code and not the
country in table T005.
However, as the data is stored with the country in the reporting
portfolio, the ISO code must be converted into the country.

System Response

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

How to fix this error?

Store ISO code <(>&<)>1 in table <DS:TRAN.OY01>T005</> (<LS>Global
Country Parameters)</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.