Another languageCode "{0}" is already used in this file..
Explanation:
In the import file for the price list, a language code (LanguageCode) is mentioned in different spellings for the language in which the price list is mentioned. Whether or not capital letters are used to indicate the language code must be consistent. It has been done inconsistently in this import file.
Solution:
Maak de schrijfwijze van de taalcode in het import bestand overal gelijk.
