Direct answer: Netmarble marked the August 5 (Fri) Server Patch as completed. The notice asks players to reconnect so the patch is applied properly.
What players should do
- Fully close the game client.
- Reconnect to the game.
- Compare any continuing issue against the current Version 1.8 Known Issues notice.
Related Version 1.8 routes
Use the current banner tracker for Derieri and the Version 1.8 update details for the confirmed content scope.
Official source: August 5 (Fri) Server Patch [Completed].