[iGANGNAM]

public Action:OnPlayerRunCmd(client, &buttons, &impulse, Float:vel[3], Float:angles[3], &weapon)
{
................ 
               else if ( !(buttons & IN_ATTACK))
                {
                    SetEntPropFloat( client, Prop_Data, "m_flLaggedMovementValue", ZM_SPEED[ PlayerZmClass[client] ] / 250.0 );


                    if(Smoker_StopBackFlood[client] == true)
                    {
                        //CPrintToChat(client, "Data reset");
                        ResetPack(Smoukerdata[client]);
                        new target = ReadPackCell(Smoukerdata[client]);
                        Smoker_StopBack[target] = false;
                        if (IsValidAlive(target)) {
                            SetEntPropFloat( target, Prop_Data, "m_flLaggedMovementValue", 1.0 );
                        }
                        Smoker_StopBackFlood[client] = false;
                    }

                    if (SmokerTimer[client] != INVALID_HANDLE)
                    {
                        >> ERROR >> CloseHandle( SmokerTimer[client] );
                        SmokerTimer[client] = INVALID_HANDLE;
                    }

                    if (Smoukerdata[client] != INVALID_HANDLE)
                    {
                        Smoukerdata[client] = INVALID_HANDLE;
                        //CloseHandle( Smoukerdata[client] );
                    }
                    
                }
            }
        }
................ 
}

L 07/31/2015 - 18:18:06: [SM] Native "CloseHandle" reported: Handle 335a0192 is invalid (error 3)
L 07/31/2015 - 18:18:06: [SM] Displaying call stack trace for plugin "gunxpmod.smx":
L 07/31/2015 - 18:18:06: [SM]   [0]  Line 1992, C:\Users\Lukas\Desktop\csgo\Sourcemod 1.7.3 - Zombie Swarm\gunxpmod.sp::OnPlayerRunCmd()
L 07/31/2015 - 18:18:06: [SM] Native "CloseHandle" reported: Handle 335a0192 is invalid (error 3)
L 07/31/2015 - 18:18:06: [SM] Displaying call stack trace for plugin "gunxpmod.smx":
L 07/31/2015 - 18:18:06: [SM]   [0]  Line 1992, C:\Users\Lukas\Desktop\csgo\Sourcemod 1.7.3 - Zombie Swarm\gunxpmod.sp::OnPlayerRunCmd()
L 07/31/2015 - 18:18:06: [SM] Native "CloseHandle" reported: Handle 335a0192 is invalid (error 3)
L 07/31/2015 - 18:18:06: [SM] Displaying call stack trace for plugin "gunxpmod.smx":

[Powerlord]

Are there any other ways these Timer handle may be being closed with the timer variable not being cleared?

Note: This includes map end for timers with the TIMER_FLAG_NO_MAPCHANGE flag and timers that return Plugin_Handled/Plugin_Stop for timers with the TIMER_REPEAT flag.