I deadly unable to execute script only for a certain group of players

[IKG40Razor 1]

my script should work only for 6 players (their names are p1, p2, p3, p4, p5, p6) in 1 group (let's call it mpGroup). Script, called drug2.sqf:

// Drugs Scripts
// drug2.sqf

_endeZeit = time + 60;

while {time < _endeZeit} do 
	{
	"colorCorrections" ppEffectEnable true;
	"colorCorrections" ppEffectAdjust [1, 1, 0, [0,0,0,0.5], [random 5 - random 5,random 5 - random 5,random 5 - random 5,random 1], [random 5 - random 5,random 5 - random 5,random 5 - random 5, random 1]];  
	"colorCorrections" ppEffectCommit 1;	
	"chromAberration" ppEffectEnable true;
	"chromAberration" ppEffectAdjust [0.01,0.01,true]; 
	"chromAberration" ppEffectCommit 1;

	sleep 3;

	};

I tried to make {while ...} forEach units mpGroup; - does not work.

Script either works for all units, or doesn't work at all. Where I don't catch it?

[cuel 25]

Who's running the script and from where?

[IKG40Razor 1]

Problem solved