AlliedModders - help i cant compile files

i have a problem i cant compile sp files
i try to compile with compiler.exe
but everytime when i try to compile its send me a lot of errors
even with a simple script someone know why?

i tried to compile

Code:

#include <sourcemod>



#pragma semicolon 1

#pragma newdecls required



public void OnPluginStart()

{

    RegConsoleCmd("sm_discord", CMD_sa, "Welcome message");

    

    HookEvent("round_start", Hook_roundstart);

}



public Action CMD_discord(int client, int args)

{

    PrintToChat(client, " \x05 Welcome to my Server \x01 GL&HF");

}



public Action Hook_roundstart(Event event, const char[] name, bool dontBroadcast)

{

    CreateTimer(120.0, welcome_timer, TIMER_REPEAT);

}



public Action welcome_timer(Handle timer)

{

    PrintToChatAll(" \x05 Welcome to my Server \x01 have fun!");

}

and that's the errors:

Code:

//// adver.sp

// C:\server's\csgo\csgo\addons\sourcemod\scripting\adver.sp(4) : warning 207: unknown #pragma

// C:\server's\csgo\csgo\addons\sourcemod\scripting\adver.sp(4) : error 038: extra characters on line

// C:\server's\csgo\csgo\addons\sourcemod\scripting\adver.sp(6) : error 001: expected token: ";", but found "-identifier-"

// C:\server's\csgo\csgo\addons\sourcemod\scripting\adver.sp(13) : error 021: symbol already defined: "Action"

// C:\server's\csgo\csgo\addons\sourcemod\scripting\adver.sp(13) : error 010: invalid function or declaration

// C:\server's\csgo\csgo\addons\sourcemod\scripting\adver.sp(18) : error 021: symbol already defined: "Action"

// C:\server's\csgo\csgo\addons\sourcemod\scripting\adver.sp(18) : error 017: undefined symbol "event"

// C:\server's\csgo\csgo\addons\sourcemod\scripting\adver.sp(18) : error 029: invalid expression, assumed zero

// C:\server's\csgo\csgo\addons\sourcemod\scripting\adver.sp(18) : fatal error 127: too many error messages on one line

//

// Compilation aborted.

// 8 Errors.

//

// Compilation Time: 0.14 sec