Zombies Counter Error

[Sega]

Error: https://imgur.com/a/KQU64Fl

_clientids:

#include maps\mp\_utility;
#include common_scripts\utility;
#include maps\mp\gametypes_zm\_hud_util;
#include maps\mp\gametypes_zm\_hud_message;
#include maps\mp\gametypes_zm\counter; 

init()
{
   
    level.perk_purchase_limit = 9;
    for(;;)
    {
        level waittill("connected", player);
        player thread welcome();
    }
}

welcome()
{
    self endon("disconnect");
    self waittill("spawned_player");
    wait 7;
	self iprintln("^0 No Perk Limit in BLACK IRIDESCENT");
}

counter:

#include maps\mp\_utility;
#include common_scripts\utility;
#include maps\mp\gametypes_zm\_hud_util;
#include maps\mp\gametypes_zm\_hud_message;
#include maps\mp\gametypes_zm\counter; 

init()
{
level thread drawZombiesCounter();
}
drawZombiesCounter()
{
    level.zombiesCounter = createServerFontString("hudsmall" , 1.9);
    level.zombiesCounter setPoint("CENTER", "CENTER", "CENTER", 190);
    level thread updateZombiesCounter();
}
updateZombiesCounter()
{
    oldZombiesCount = get_current_zombie_count();
    while(true)
    {
        newZombiesCount = get_current_zombie_count();
        wait 0.05;
        if(oldZombiesCount != newZombiesCount)
        {
            level thread updateZombiesCounter();
            return;
        }
        else
        {
        	if(newZombiesCount != 0)
        		level.zombiesCounter.label = &"Zombies: ^1";
        	else
        		level.zombiesCounter.label = &"Zombies: ^6";
        	level.zombiesCounter setValue(newZombiesCount);
        }
    }
}

Been stealing code and asking for help for 2 hours. 10/10 contemplating suicide.