PlayerInfo[playerid][AdminLevel] = 0;

C:\Users\Gast\Desktop\SA-MP Server\gamemodes\DonataDefend1.pwn(220) : error 017: undefined symbol "PlayerInfo"
C:\Users\Gast\Desktop\SA-MP Server\gamemodes\DonataDefend1.pwn(220) : warning 215: expression has no effect
C:\Users\Gast\Desktop\SA-MP Server\gamemodes\DonataDefend1.pwn(220) : error 001: expected token: ";", but found "]"
C:\Users\Gast\Desktop\SA-MP Server\gamemodes\DonataDefend1.pwn(220) : error 029: invalid expression, assumed zero
C:\Users\Gast\Desktop\SA-MP Server\gamemodes\DonataDefend1.pwn(220) : fatal error 107: too many error messages on one line

Compilation aborted.Pawn compiler 3.2.3664          Copyright (c) 1997-2006, ITB CompuPhase


4 Errors.

//============================================Login System===============================

    dcmd(login,5,cmdtext);
    return 0; 
}

dcmd_login(playerid, params[]) {
  if(player_level[playerid] != 0) { // User is logged in
    SendClientMessage(playerid, 0xFFFFFFFF, "You are already logged in.");
    return 1; // 
  }
  else if(strlen(params) == 0) { 
    SendClientMessage(playerid, 0xFFFFFFFF, "Please use /login [password]");
    return 1;
  }
  else if(!dini_Isset(USERFILE,player_names[playerid])) { // not registered
    SendClientMessage(playerid, 0xFFFFFFFF, "You are not registered.");
    SendClientMessage(playerid, 0xFFFFFFFF, "Use /register [password] first.");
    return 1;
  }
  else if(adler32_hash(params) != dini_Int(USERFILE,player_names[playerid]))  {
    SendClientMessage(playerid, 0xFFFFFFFF, "Password mismatch.");
    return 1;
  }
  player_level[playerid] = 1; // Logged in successfully
  SendClientMessage(playerid, 0xFFFFFFFF, "You have succesfully logged in!");

  return 1;
}

adler32_hash(buf[]) {
    new length=strlen(buf);
    new s1 = 1;
    new s2 = 0;
    new n;
    for (n=0; n<length; n++)
    {
       s1 = (s1 + buf[n]) % 65521;
       s2 = (s2 + s1)     % 65521;
    }
    return (s2 << 16) + s1;
}

enum Info
{
   AdminLevel,
}
new PlayerInfo[MAX_PLAYERS][Info];