Platform: Mini client, Chrome, Microsoft edge (all same bug)
Server number: S876 - Jade of the Thunder God / HK
Character name: Shumihaza
UID: 300017279169911
Description of the problem you are experiencing:

Game date jumped to year 2023, thus spring season ended & "forced" to claim reward immediately then restarted back with lowest ranking, subsequently error message of using illegal action..

Noted that players who still not login still maintained their spring ranking & points

Operating system: Windows 10
Screen resolution: 1366 x 768
Your computer time zone and your country: UTC +8, Malaysia
Are you using VPN ?: No