[DBan]

Use SendClientMessageToAll instead... Example:

pawn Code:

public OnPlayerText(playerid, text[])
{
    new output[128], pname[24];
    GetPlayerName(playerid, pname, sizeof(pname));
    format(output, sizeof(output), "%s (%d): %s", pname, playerid, text);
        SendClientMessageToAll(color, output);
    return 0;
}

And do something to prevent the original text from sending.

EDIT:
Did return 0;