No Puedo Hacer Consultas SQL Con Db_pdater

[NIBOGO]

Trato de hacer consultas sql con db_updater para phpbb3 , pero es imposible , al hacer una consulta y subir al foro dice:

Spoiler

Warning: include() [function.include]: Unable to access ./extension.inc in /www/zzl.org/s/e/-/se-world/htdocs/db_update.php on line 23

Warning: include(./extension.inc) [function.include]: failed to open stream: Success in /www/zzl.org/s/e/-/se-world/htdocs/db_update.php on line 23

Warning: include() [function.include]: Failed opening './extension.inc' for inclusion (include_path='.:/usr/share/php') in /www/zzl.org/s/e/-/se-world/htdocs/db_update.php on line 23

Warning: include() [function.include]: Unable to access ./common. in /www/zzl.org/s/e/-/se-world/htdocs/db_update.php on line 24

Warning: include(./common.) [function.include]: failed to open stream: No such file or directory in /www/zzl.org/s/e/-/se-world/htdocs/db_update.php on line 24

Warning: include() [function.include]: Failed opening './common.' for inclusion (include_path='.:/usr/share/php') in /www/zzl.org/s/e/-/se-world/htdocs/db_update.php on line 24

Fatal error: Call to undefined function session_pagestart() in /www/zzl.org/s/e/-/se-world/htdocs/db_update.php on line 27

[JANU1535]

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Saludos.