Imported From: http://groups.google.com/group/in-portal-bugs/browse_thread/thread/0ab24c6429d0e86a#
If you have 1 language and you import language pack, that has 5 new
languages, then it will fail with SQL error, that no l6_Translation column
exists.
This happens, because there are only columns for first 5 languages after
clean in-portal installation.
I think, that after new record is created in Languages database table we
should also create corresponding new columns in all database tables, that
have tnraslatable fields in them. Not sure if this happens already (maybe
after language import was finished) or after each new language is created
(as I would like it to work).
It seems, that problem was there right after we changed how phrases/e-mail
events are stored in 5.1.0.
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Best Regards,