This happens when the language in Material Master (MM02 - Purchase Order
Text) and Vendor Master (XD02 - Address - Communication - Language) does not
matched.
In the Purchase Order, you can see the language in PO Header - Communications
data - Language.
If the Purchase Order have been saved before you change the Vendor Master
Language, the PO need to be closed as the language in the PO Header cannot be
changed.
This is the SAP Language Error that will appear when creating PO with
language mis-matched:
No short text maintained in language CS (please re-maintain material
ABCDEFGHIJK)
Message no. ME 095
Diagnosis
No material short text (short description) has been maintained in language CS.
System Response
No short text can be adopted from the material master record.
Procedure
If a material is to be procured from a vendor in a different language, the
material short text must first be maintained in this language.
Maintain the short texts in the material master record in those languages in
which procurement is normally carried out. In this case, you should at least
maintain the short text in language CS.
