[GTAguillaume]

Код:

public OnPlayerCommandText(playerid, cmdtext[])
{
	if (strcmp("/acp", cmdtext, true,4) == 0) // '/acp' has 4 characters not 10
	{
		if(IsPlayerAdmin(playerid)); //you fogot an 'if'
		{
			ShowMenuForPlayer(AdminMenu,playerid);
			return 1;
		}
		else SendClientMessage(playerid, 0xFFFFFFFF, "You need to be admin for this command");
	}
	//not here lol
	return 0;
}