Hi,
I think you messed up your DBD::mysql installation.

bootstrap is part of the DynaLoader suite, and it loads the mysql.so file only when the mysql.pm file fits the mysql.so version.

Look in the file DBD/mysql.pm and compare it with the version in auto/DBD/mysql.so (fe. strings mysql.so | less ).

Anyway, just reinstall the Bundle::Mysql and you'll be fine.
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Dr. Mark Ceulemans
Senior Consultant
IT Masters, Belgium