How To Fix TL161 - Import to translation system -> long text

SAP Error Message - Details

• Message type: E = Error

• Message class: TL - Messages for language transports

• Message number: 161

• Message text: Import to translation system -> long text

What causes this issue?

After upgrading your translation system, you want to import the
language backup files (status before upgrade).
When the files were checked, the system determined that they are not
the expected backup data files.
The expected files are called TEXT<L>_UP.C or DOCU<L>_UP.C and must be
scheduled with transaction SMLT (special imports).

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?

Error message extract from SAP system. Copyright SAP SE.