[Typo3-dev] upgrading to RC2

[Dieter Menne]

> Warning: mysql_query(): supplied argument is not a valid MySQL-Link
> resource in
> /data/projekte/mediares.at/website/2004/site/t3lib/class.t3lib_db.php on
> line 216


As Kaspar wrote in another thread:
----
Basically; NEVER EVER update typo3 (not even CVS!) without going
immediately to the install tool and check if any database changes needs
to be done!

This is ALL in the "installing_upgrading" documentation!
----

Dieter