Error while trying to reset user password using Oracle database driver!

Some backtrace for error:

db: Array ( [0] => Array ( [file] => /web/includes/database/select.inc [line] => 1284 [function] => query [class] => DatabaseConnection_oracle [type] => -> [args] => Array ( [0] => SELECT base.uid AS uid, base.name AS name, base.pass AS pass, base.mail AS mail, base.theme AS theme, base.signature AS signature, base.signature_format AS signature_format, base.created AS created, base.access AS access, base.login AS login, base.status AS status, base.timezone AS timezone, base.language AS language, base.picture AS picture, base.init AS init, base.data AS data FROM {users} base WHERE (base.uid IN (:db_condition_placeholder_0)) [1] => Array ( [:db_condition_placeholder_0] => reset ) [2] => Array ( [target] => default [return] => 1 ) ) ) 

[1] => Array ( [file] => /web/includes/entity.inc [line] => 196 [function] => execute [class] => SelectQuery [type] => -> [args] => Array ( ) ) 

[2] => Array ( [file] => /web/includes/common.inc [line] => 7474 [function] => load [class] => DrupalDefaultEntityController [type] => -> [args] => Array ( [0] => Array ( [0] => reset ) [1] => Array ( ) ) ) 

[3] => Array ( [file] => /web/modules/user/user.module [line] => 287 [function] => entity_load [args] => Array ( [0] => user [1] => Array ( [0] => reset ) [2] => Array ( ) [3] => ) ) 

[4] => Array ( [file] => /web/modules/user/user.module [line] => 362 [function] => user_load_multiple [args] => Array ( [0] => Array ( [0] => reset ) [1] => Array ( ) [2] => ) ) 

[5] => Array ( [file] => /web/includes/menu.inc [line] => 579 [function] => user_load [args] => Array ( [0] => reset ) ) 

[6] => Array ( [file] => /web/includes/menu.inc [line] => 746 [function] => _menu_load_objects [args] => Array ( [0] => Array ( [path] => user/% [load_functions] => a:1:{i:1;s:9:"user_load";} [to_arg_functions] => [access_callback] => user_view_access [access_arguments] => a:1:{i:0;i:1;} [page_callback] => user_view_page [page_arguments] => a:1:{i:0;i:1;} [delivery_callback] => [fit] => 2 [number_parts] => 2 [context] => 0 [tab_parent] => [tab_root] => user/% [title] => My account [title_callback] => user_page_title [title_arguments] => a:1:{i:0;i:1;} [theme_callback] => [theme_arguments] => a:0:{} [type] => 6 [description] => [position] => [weight] => 0 [include_file] => ) [1] => Array ( [0] => user [1] => reset [2] => 526 [3] => 1324559325 ) ) ) 

[7] => Array ( [file] => /web/includes/menu.inc [line] => 458 [function] => _menu_translate [args] => Array ( [0] => Array ( [path] => user/% [load_functions] => a:1:{i:1;s:9:"user_load";} [to_arg_functions] => [access_callback] => user_view_access [access_arguments] => a:1:{i:0;i:1;} [page_callback] => user_view_page [page_arguments] => a:1:{i:0;i:1;} [delivery_callback] => [fit] => 2 [number_parts] => 2 [context] => 0 [tab_parent] => [tab_root] => user/% [title] => My account [title_callback] => user_page_title [title_arguments] => a:1:{i:0;i:1;} [theme_callback] => [theme_arguments] => a:0:{} [type] => 6 [description] => [position] => [weight] => 0 [include_file] => ) [1] => Array ( [0] => user [1] => reset [2] => 526 [3] => 1324559325 ) ) )