[[H]ead]

pawn Code:

public OnPlayerText(playerid, text[])
{
     static string[128];
     GetPlayerName(playerid, string, MAX_PLAYER_NAME); // fix name

     format(string,sizeof string ,"[%d] %s:{FFFFFF} %s",playerid, string,text); // fix colour :d

     SendClientMessageToAll(GetPlayerColor(playerid),string);
     return 0;     
}

sdp and Jafet_Macario:
Your code send all messages with color FFDC00 and FFFF00

Blood
Your code cause undefined symbol, and send ALL message with one color