[Borg]

pawn Код:

if(sscanf(params, "u[50]", pid)) return SCM(playerid, GREY, "[SERVER]: /akill [playerid/name]");
{
...
}

u do not use "else" in your condition statement.
try something like this

pawn Код:

if(sscanf(params, "u[50]", pid)) return SCM(playerid, GREY, "[SERVER]: /akill [playerid/name]");
else
{
...
}