Проблема с Knife DM

#include <amxmodx>
#include <fun>
#include <cstrike>
#include <hamsandwich>

new cvar_enabled, cvar_hp, cvar_hp_hs

public plugin_init()
{
   register_plugin("Knife DeathMatch", "1.0", "Lucky")
  
   register_event("DeathMsg", "on_Death", "a")
   register_event("CurWeapon", "knife", "b")
  
   cvar_enabled = register_cvar("amx_knifedm", "1")
   cvar_hp = register_cvar("amx_knifedm_hp", "10")
   cvar_hp_hs = register_cvar("amx_knifedm_hp_hs", "25")
  
}

public knife(id)
{
   if(get_pcvar_float(cvar_enabled) == 1)
   {
        new clip, ammo
        new usersweapon = get_user_weapon(id, clip, ammo)

        if(usersweapon == CSW_KNIFE)
      {
         return PLUGIN_CONTINUE
      }
      else
      {
         new origin[3]
         get_user_origin (id, origin)
         origin[2] -= 500
         set_user_origin (id, origin)
         new iwpn, iwpns[32], nwpn[32]
         get_user_weapons (id, iwpns, iwpn)
         for (new a = 0; a < iwpn; ++a)
         {
            get_weaponname (iwpns[a], nwpn, 31)
            engclient_cmd (id, "drop", nwpn)
         }
         new origin2[3]
         get_user_origin (id, origin2)
         origin2[2] += 500
         set_user_origin (id, origin2)

         client_cmd (id, "weapon_knife")
        }
    }
   return PLUGIN_CONTINUE
}

public on_Death()
{
   new id = read_data(2)
  
   if(get_pcvar_float(cvar_enabled) == 1)

   set_task(1.0, "spawn_user", id)
}

public spawn_user(id)
{
   if(cs_get_user_team(id) == CS_TEAM_SPECTATOR)
   {
      return PLUGIN_HANDLED
   }
  
   cs_user_spawn(id)
  
   give_item(id, "weapon_knife")
  
   set_task(2.0, "give_knife", id)
   return PLUGIN_HANDLED
}

public give_knife(id)
{
   give_item(id, "weapon_knife")
}

public client_death(killer, victim, wpnindex, hitplace, TK)
{
   new hit = hitplace
  
   if(get_pcvar_float(cvar_enabled) == 1)
   {
      if(hit == HIT_HEAD)
      {
         set_user_health(killer, get_user_health(killer) + get_pcvar_num(cvar_hp_hs))
        
         set_hudmessage(255, 0, 0, 0.1, -1.0, 0, 6.0, 10.0)
         show_hudmessage(killer, "HeadShot")
      }
      else
      {
         set_user_health(killer, get_user_health(killer) + get_pcvar_num(cvar_hp))
      }
   }
}

public client_connect(id)
{
   if(get_pcvar_num(cvar_enabled) == 1)
   {
      set_task(20.0, "connect_ads", id)
   }
}

public connect_ads(id)
{
   client_print(id, print_chat, "This server is using Knife DeathMatch Mod!")
   client_print(id, print_chat, "You can use only knife!")
}