Run time error 19: "File or function is not found"

CMD:heal(playerid, params[])
{
new name, name1,id,msg1,msg2;
if(sscanf(params, "u",id)) return SendClientMessage(playerid, 0xAA3333AA, ": Koristi /heal [ime/id]!");
if(!IsPlayerConnected(id)) return SendClientMessage(playerid, 0xAA3333AA, ": Pogrešan ID!");
if(!IsPlayerAdmin(playerid)) return SendClientMessage(playerid, 0xAA3333AA, ": Nisi admin!");
SetPlayerHealth(id, 100.0);
GetPlayerName(id, name1, sizeof(name));
format(msg1, sizeof(msg1),": Nahilao si %s(%d) !", name1, id);
format(msg1, sizeof(msg2),": Nahilan si od strane admina %s(%d)!", name, playerid);
SendClientMessage(playerid, 0xAA3333AA, msg1);
SendClientMessage(id, 0xAA3333AA, msg2);
return 1;
}

----------
Loaded log file: "server_log.txt".
----------

SA-MP Dedicated Server
----------------------
v0.3.7-R2, (C)2005-2015 SA-MP Team

[23:20:41]
[23:20:41] Server Plugins
[23:20:41] --------------
[23:20:41]  Loaded 0 plugins.

[23:20:41]
[23:20:41] Filterscripts
[23:20:41] ---------------
[23:20:41]  Loading filterscript 'sscanf.amx'...
[23:20:41]  Unable to load filterscript 'sscanf.amx'.
[23:20:41]  Loading filterscript 'streamer.amx'...
[23:20:41]  Unable to load filterscript 'streamer.amx'.
[23:20:41]  Loaded 0 filterscripts.

[23:20:41] Script[gamemodes/test.amx]: Run time error 19: "File or function is not found"
[23:20:41] Number of vehicle models: 0

echo Executing Server Config...
lanmode 1
rcon_password 123
maxplayers 50
port 7777
hostname *** v1.0
gamemode0 test 1
filterscripts sscanf streamer
announce 0
chatlogging 0
weburl www.sa-mp.com
onfoot_rate 40
incar_rate 40
weapon_rate 40
stream_distance 300.0
stream_rate 1000
maxnpc 0
logtimeformat [%H:%M:%S]
language English