[Users] Problema with PDT and DBTEXT

I am using PDT and I try to use DB type DBTEXT but I have problem, COuld some help me*? Below I wrote debug screen and configuration.* 0(0) PDT: initializing... 0(0) DEBUG: register_fifo_cmd: new command (pdt_add) registered 0(0) DEBUG: register_fifo_cmd: new command (pdt_delete) registered 0(0) DEBUG: register_fifo_cmd: new command (pdt_list) registered 0(0) unixsock_register_cmd: New command (get_domainprefix) registered 0(0) find_mod_export: found <db_use_table> in module dbtext [/lib/openser/modules/dbtext.so] 0(0) find_mod_export: found <db_init> in module dbtext [/lib/openser/modules/dbtext.so] 0(0) find_mod_export: found <db_close> in module dbtext [/lib/openser/modules/dbtext.so] 0(0) find_mod_export: found <db_query> in module dbtext [/lib/openser/modules/dbtext.so] 0(0) find_mod_export: found <db_raw_query> in module dbtext [/lib/openser/modules/dbtext.so] 0(0) find_mod_export: found <db_free_result> in module dbtext [/lib/openser/modules/dbtext.so] 0(0) find_mod_export: found <db_insert> in module dbtext [/lib/openser/modules/dbtext.so] 0(0) find_mod_export: found <db_delete> in module dbtext [/lib/openser/modules/dbtext.so] 0(0) find_mod_export: found <db_update> in module dbtext [/lib/openser/modules/dbtext.so] 0(0) find_mod_export: <db_replace> in module dbtext not found 0(0) DBT:dbt_cache_get_db: looking for db /etc/openser/dbtext! 0(0) DBT:dbt_cache_get_db: database [/etc/openser/dbtext] does not exists! 0(0) DBT:dbt_init: cannot get the link to database 0(0) PDT: mod_init: Error while connecting to database 0(0) init_mod(): Error while initializing module pdt ERROR: error while initializing modules - Configuration: loadmodule "/lib/openser/modules/dbtext.so" loadmodule "/lib/openser/modules/pdt.so" modparam("pdt", "db_url", "dbtext:///etc/openser/dbtext") #modparam("pdt", "db_table", "pdt") modparam("pdt", "prefix_column", "code") modparam("pdt", "domain_column", "hostname") #modparam("pdt", "prefix", "00") modparam("pdt", "hsize_2pow", 4) modparam("pdt", "sync_time", 300) modparam("pdt", "clean_time", 600) - /etc/openser/dbtext: hostname(str) code(str) groupX:2121 groupY.voip.nce.ufrj.br:3131