Ac**** Banned while Hunting in leagel party, Need an explaination?

[cdseal8]

Player A level 260 Friday Night: hurray its weekend.. i want to level up my level..i will buy 7day double exp for friday saturday and sunday.
Ok double exp complete..lets find party with apostle
-Player A open speed party and he find some party
Player A talk to him self) lets join..
tadaaaa party accepted as party members no 6
Player B (Apostle Leader of the Party level 225): welcome to the party
Player C no 2 from party (Level 160) :hallo player A
Player D no 3 level 170 : welcome
Player E no 4 level 200 : lets hunt
Player F no 5 level 190 :no afk

After 1 hour..
Player B : I need to AFK.. i will buff all of you(Party buff last 60 Minutes)
After 55 min.. player B never comeback.. then suddenly theres info on chat
Player B has left Party..
Player C (Level 162) become a party leader..
Shout using Megaphone
Full Party Fast hunt fast Kill need Buff Apostle/ Priest cek Speed Party

Player Z Apostle level 151.. open Speed Party.. and join the party as 6th member..
After 6 hour hunt..
player A (now level 264):
Ok guys .. im tired.. continue tomorrow.. on sunday ill be 271 ^_^

Then GM (still newbie and never play Seal Online from level 1 to 271 in their entire life) check logs from player!!

GM :Theres a party between level 260 and level 151 .. according our new super good policies .. this is violation..
GM magic word..
/GMPowerBlocked Player A
Reason : Party Bridge.. level 261 cannot play in same party with level 160

Saturday morning..
10.00 WIB (Indo Time) = 16.00 (Server Time)
Player A after Brunch: now im full lets go .. level 271.. im coming..
Start Game ----- Id : xxxxx pass : xxxxxx
ID or pass Wrong
Ok try again
Id : xxxxzzzzz password :1123132
Your Account has been blocked.. please contact Support

Player A h nooooooo..
Player A sent Ticket ask why GM blocked Account
15 hours later ( Sunday 1.00 AM Indonesia time=Saturday 8.00 Server time) player A got reply from GM
Your Account has been blocked according to our new Ban Policies.. please tell us what agreement between you and char level 151?

Player A (sleepy and confuse) : i dont know GM

4 hours later : 04.00Am Indonesia Time = 12.00 PM Server time
Gm : Please remind .. bridge party is not allowed .. GMs do not support any means that will make a player have an illegal advantage over other players, and if it happens, the player will be punished.

Sunday morning 10.AM after breakfast..
Player A : What is this..
Player A reply to GM.. GM are you Serious? Dont be so noxb and stuxxx.. im innocent.
Few hours later
GM : please Remind.. you are not allowed to insult GM!! For your Violation and Bad Behavior you will blocked 7 days..
Please be nice and dont do any illegal activities

Player A : Uninstall Seal Online