Message type: E = Error
Message class:  TXS_MESSAGES - Tax Service Messages class 
Message number: 030
Message text: Enter a valid external country
The country you can enter in this field comes from the response of the
Tax Service API.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Verify the Country attribute in the Tax Service API response.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message TXS_MESSAGES030 ("Enter a valid external country") typically occurs when a user is trying to enter or process data that requires a valid country code, but the system does not recognize the input as a valid external country.
Cause:
Invalid Country Code: The country code entered may not be valid or recognized by the SAP system. This could be due to a typo or using an outdated code.
Missing Configuration: The country may not be configured in the SAP system. This can happen if the country is not included in the country master data.
Data Entry Error: The user may have entered the country code in an incorrect format or in the wrong field.
Solution:
Check Country Code: Verify that the country code you are entering is correct. You can refer to the ISO 3166-1 alpha-2 standard for valid country codes.
Maintain Country Master Data:
Go to the transaction code OBD2 (or use the relevant Get instant SAP help. Sign up for our Free Essentials Plan.
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