[kronolith] DB Error: extension not found

[Domenico Vizzoca]

Hi to all
 
I'm configuring Kronolith alpha with mysql, when I try to use it, I
receive this message:

A fatal error has occurred


DB Error: extension not found

[linea 400 di /var/www/html/horde/kronolith/lib/Driver/sql.php]
object(db_error)(8) {
  ["error_message_prefix"]=>
  string(0) ""
  ["mode"]=>
  int(1)
  ["level"]=>
  int(1024)
  ["code"]=>
  int(-25)
  ["message"]=>
  string(29) "DB Error: extension not found"
  ["userinfo"]=>
  array(12) {
    ["phptype"]=>
    string(5) "mysql"
    ["persistent"]=>
    bool(false)
    ["port"]=>
    int(3306)
    ["protocol"]=>
    string(4) "unix"
    ["hostspec"]=>
    string(9) "localhost"
    ["username"]=>
    string(5) "horde"
    ["password"]=>
    string(4) "****"
    ["database"]=>
    string(5) "horde"
    ["charset"]=>
    string(10) "iso-8859-1"
    ["socket"]=>
    string(25) "/var/lib/mysql/mysql.sock"
    ["table"]=>
    string(16) "kronolith_events"
    ["driverconfig"]=>
    string(6) "custom"
  }
  ["backtrace"]=>
  NULL
  ["callback"]=>
  NULL
}
 
 
I have created my sql db and table and they work fine, I can connect
correctly with my db.
 
Sameone know why don't it work?
 
Tnx in advance
Domviz