How To Fix TL421 - Language & not permitted for exchange

SAP Error Message - Details

• Message type: E = Error

• Message class: TL - Messages for language transports

• Message number: 421

• Message text: Language & not permitted for exchange

What causes this issue?

You have tried to schedule a language export for exchange.
In this case, the system checks whether the language to be exported is
contained in table LANGAUS.
Language & is not contained in table LANGAUS.

System Response

The language export with the mode "Exchange" is only relevant for
languages that are to be imported by means of the exchange procedure
(Repository switch). You can find more detailed information on this
subject in the info menu of transaction SMLT).

How to fix this error?

Enter the language in table LANGAUS and repeat the scheduling of the
language export, if you are dealing with an SAP standard language.
For non-standard languages (= languages that are not delivered by SAP -
Walldorf or SAP - Tokyo), it is absolutely essential that you clarify
this procedure with the "Final Assembly" department in Walldorf.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.