[adios1]

Hey guys im having the error

error 017: undefined symbol "udb_RenameUser"

Could someone help me

pawn Код:

if(dialogid == DIALOG_CHANGENAME)
    {
        if (response == 0)
        {
            return 1;
        }
        if (response == 1)
        {
            if (strlen(inputtext)==0)
            {
                SendClientMessage(playerid,COLOR_ERROR,"Please enter your desired name in the box.");
                ShowChangeNameScreen(playerid);
                return 1;
            }
            udb_RenameUser(PlayerName(playerid),inputtext);
            SetPlayerName(playerid,inputtext);
            format(string,sizeof(string),"You have successfully changed your name to '%s', use this to login from now on.",inputtext);
            SendClientMessage(playerid,COLOR_LIGHTBLUE,string);
            return true;
        }
        return 1;
    }

Thanks in Advance!