You can see how many players are online by clicking F2 while in Captain Herlock window . Example :
You are using raskim's database manager . Try inserting into sql manualy :
USE [testarc]
GO
INSERT INTO [dbo].[MonsterResource]
([id]
,[monster_group]
,[name_id]
,[location_id]
,[model]
,[motion_file_id]
,[transform_level]
,[walk_type]
,[slant_type]
,[size]
,[scale]
,[target_fx_size]
,[camera_x]
,[camera_y]
,[camera_z]
,[target_x]
,[target_y]
,[target_z]
,[level]
,[grp]
,[magic_type]
,[race]
,[visible_range]
,[chase_range]
,[f_fisrt_attack]
,[f_group_first_attack]
,[f_response_casting]
,[f_response_race]
,[f_response_battle]
,[monster_type]
,[stat_id]
,[fight_type]
,[monster_skill_link_id]
,[material]
,[weapon_type]
,[attack_motion_speed]
,[ability]
,[standard_walk_spped]
,[standard_run_spped]
,[walk_speed]
,[run_speed]
,[attack_range]
,[hidesense_range]
,[hp]
,[mp]
,[attack_point]
,[magic_point]
,[defence]
,[magic_defence]
,[attack_speed]
,[magic_speed]
,[accuracy]
,[avoid]
,[magic_accuracy]
,[magic_avoid]
,[taming_id]
,[taming_percentage]
,[taming_exp_mod]
,[exp]
,[jp]
,[gold_drop_percentage]
,[gold_min]
,[gold_max]
,[chaos_drop_percentage]
,[chaos_min]
,[chaos_max]
,[exp_2]
,[jp_2]
,[gold_min_2]
,[gold_max_2]
,[chaos_min_2]
,[chaos_max_2]
,[drop_table_link_id]
,[texture_group]
,[local_flag]
,[script_on_dead])
VALUES
(<id, int,>
,<monster_group, int,>
,<name_id, int,>
,<location_id, int,>
,<model, varchar(256),>
,<motion_file_id, int,>
,<transform_level, int,>
,<walk_type, tinyint,>
,<slant_type, tinyint,>
,<size, decimal(10,2),>
,<scale, decimal(10,2),>
,<target_fx_size, decimal(10,2),>
,<camera_x, int,>
,<camera_y, int,>
,<camera_z, int,>
,<target_x, decimal(10,2),>
,<target_y, decimal(10,2),>
,<target_z, decimal(10,2),>
,<level, int,>
,<grp, int,>
,<magic_type, int,>
,<race, int,>
,<visible_range, int,>
,<chase_range, int,>
,<f_fisrt_attack, tinyint,>
,<f_group_first_attack, tinyint,>
,<f_response_casting, tinyint,>
,<f_response_race, tinyint,>
,<f_response_battle, tinyint,>
,<monster_type, tinyint,>
,<stat_id, int,>
,<fight_type, int,>
,<monster_skill_link_id, int,>
,<material, int,>
,<weapon_type, int,>
,<attack_motion_speed, int,>
,<ability, int,>
,<standard_walk_spped, int,>
,<standard_run_spped, int,>
,<walk_speed, int,>
,<run_speed, int,>
,<attack_range, decimal(10,2),>
,<hidesense_range, decimal(10,2),>
,<hp, int,>
,<mp, int,>
,<attack_point, int,>
,<magic_point, int,>
,<defence, int,>
,<magic_defence, int,>
,<attack_speed, int,>
,<magic_speed, int,>
,<accuracy, int,>
,<avoid, int,>
,<magic_accuracy, int,>
,<magic_avoid, int,>
,<taming_id, int,>
,<taming_percentage, decimal(12,4),>
,<taming_exp_mod, decimal(10,2),>
,<exp, int,>
,<jp, int,>
,<gold_drop_percentage, int,>
,<gold_min, int,>
,<gold_max, int,>
,<chaos_drop_percentage, int,>
,<chaos_min, int,>
,<chaos_max, int,>
,<exp_2, int,>
,<jp_2, int,>
,<gold_min_2, int,>
,<gold_max_2, int,>
,<chaos_min_2, int,>
,<chaos_max_2, int,>
,<drop_table_link_id, int,>
,<texture_group, int,>
,<local_flag, int,>
,<script_on_dead, varchar(256),>)
GO