Amxbans GM 1.6 Error Invalid Player

L 11/07/2013 - 12:02:11: Invalid CVAR pointer
L 11/07/2013 - 12:02:11: [AMXX] Run time error 10 (plugin "amxbans_main.amxx") (native "get_pcvar_num") - debug not enabled!
L 11/07/2013 - 12:02:11: [AMXX] To enable debug mode, add "debug" after the plugin name in plugins.ini (without quotes).

Start of error session.
Info (map "de_aztec") (file "addons/amxmodx/logs/error.log")
Invalid player id 12
[AMXX] Displaying debug trace (plugin "amxbans_main.amxx")
[AMXX] Run time error 10: native error (native "client_print")
[AMXX] [0] cmd_ban.inl::_select_amxbans_motd (line 733)
[AMXX] [1] color_chat.inl::ColorChat (line 89)
[AMXX] [2] cmd_ban.inl::_select_amxbans_motd (line 732)

AMXBans, managing bans for Half-Life modifications
Copyright © 2003, 2004 Ronald Renes / Jeroen de Rover

Copyright © 2009, 2010 Thomas Kurz

Color Chat Inc
refer to http://forums.alliedmods.net/showthread.php?t=45753
credits: teame06

^x01 is Yellow
^x03 is Team Color. Ie. Red (Terrorist) or blue (Counter-Terrorist) or grey (SPECTATOR or UNASSIGNED).
^x04 is Green
*/

#if defined _colorchat_included
#endinput
#endif

#define _colorchat_included

enum Color
{
YELLOW = 1, // clients scr_concolor cvar color
GREEN, // Green Color
TEAM_COLOR, // Red, grey, blue
GREY, // grey
RED, // Red
BLUE, // Blue
}

new const TeamName[][] =
{
"",
"TERRORIST",
"CT",
"SPECTATOR"
}

public ColorChat(id, Color:type, const msg[], any:...)
{
new message[256];

switch(type)
{
case YELLOW: // clients scr_concolor cvar color
{
message[0] = 0x01;
}
case GREEN: // Green
{
message[0] = 0x04;
}
default: // White, Red, Blue
{
message[0] = 0x03;
}
}

vformat(message[1], 191, msg, 4);

// Make sure message is not longer than 192 character. Will crash the server.
message[192] = '^0';

new team, ColorChange, index, MSG_Type;

if(id)
{
MSG_Type = MSG_ONE_UNRELIABLE;
index = id;
} else {
index = FindPlayer();
MSG_Type = MSG_BROADCAST;
}

team = get_user_team(index);
ColorChange = ColorSelection(index, MSG_Type, type);

replace_colors(message, 191);

ShowColorMessage(index, MSG_Type, message);

if(ColorChange)
{
Team_Info(index, MSG_Type, TeamName[team]);
}

return PLUGIN_CONTINUE
}

replace_colors(message[], len)
{
replace_all(message, len, "!g", "^x04");
replace_all(message, len, "!t", "^x03");
replace_all(message, len, "!y", "^x01");
}

ShowColorMessage(id, type, message[])
{
static msgSayText;
if(!msgSayText)
{
msgSayText = get_user_msgid("SayText");
}
message_begin(type, msgSayText, _, id);
write_byte(id)
write_string(message);
message_end();
}

Team_Info(id, type, team[])
{
static msgTeamInfo;
if(!msgTeamInfo)
{
msgTeamInfo = get_user_msgid("TeamInfo");
}
message_begin(type, msgTeamInfo, _, id);
write_byte(id);
write_string(team);
message_end();

return 1;
}

ColorSelection(index, type, Color:Type)
{
switch(Type)
{
case RED:
{
return Team_Info(index, type, TeamName[1]);
}
case BLUE:
{
return Team_Info(index, type, TeamName[2]);
}
case GREY:
{
return Team_Info(index, type, TeamName[0]);
}
}

return 0;
}

FindPlayer()
{
new i = -1;

while(i <= get_maxplayers())
{
if(is_user_connected(++i))
return i;
}

return -1;
}