Solved and thank you.

Platform (Browser -Chrome, Firefox etc / Mini client) : Mini Client
Server number : S120
Character name : Faceless
UID (Facebook account - you can find your UID on the bottom of the Facebook page, Oasis account - go to your profile page and click on your avatar) : 200000088420116
Description of the problem you are experiencing : White screen and a tick box on mini client
Screenshot of the error page :
Operating system : Windowns 10
Screen resolution :
Your computer time zone and your country : +8 1646
Are you using VPN ? : No

Platform (Browser -Chrome, Firefox etc / Mini client) : Chrome

Server number : S120

Character name : Faceless

UID (Facebook account - you can find your UID on the bottom of the Facebook page, Oasis account - go to your profile page and click on your avatar) : 200000088420116

Description of the problem you are experiencing : Missing 2 command flags with 42 training potions after claimed Kotetsu Hagane and Shisui Uchiha ninja assists

Screenshot of the error page :

Operating system : Windows 10

Screen resolution :

Your computer time zone and your country : +8 Malaysia

Are you using VPN ? :