[Stinged]

Код:

new string[128]
format(string, sizeof(string), "COLOR_RED" "%s is now Admin Duty. Use (/report) to ask help",GetPlayerName(playerid, 0));

Change it to:

Код:

new string[128];
GetPlayerName(playerid, string);
format(string, sizeof(string), "{FF0000}%s is now Admin Duty. Use (/report) to ask help", string);

The second one is just a warning, fix it by indentation.
https://en.wikipedia.org/wiki/Indent_style