Platform (Browser -Chrome, Firefox etc / Mini client) : Opera
Server number : S366
Character name : Nayo
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) : 200000099293663

Description of the problem you are experiencing : Reward for finishing plot chapter 11 not redeemable
Screenshot of the error page :
Operating system : Win
Screen resolution :
Your computer time zone and your country : Berlin +1
Are you using VPN ? : No