[Koha] error 1064 at the installation

[Thibaud Hulin]

Hi !
I'm trying Koha on a Debian sarge testing, but I have an error after
launching install.pl and enter my sql password. This is the error message :
  CREATING DATABASE

Creating the MySQL database for Koha...
0
ERROR 1064 (42000) at line 772: You have an error in your SQL syntax;
check the manual that corresponds to your MySQL server version for the
right syntax to use near 'return char(4) default NULL,
   renewals tinyint(4) default NULL,
   timestamp tim' at line 9

Start tag expected, '<' not found
  at /usr/lib/perl5/XML/LibXML/SAX.pm line 64
  at /usr/share/perl5/XML/Simple.pm line 287
BEGIN failed--compilation a

I'm a beginner with sql.

Thanks for help,
Thibaud.