Hello, Tamers!
We have an announcement for Maintenance (NO SERVER DOWNTIME)
Please refer to below information for details.
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■ Date : June 8, 2017 (Tue)
■ Time : 11:30AM Gameking Standard Time (GMT +9)
■ Description 
Problems below has been resolved:
1. Game crash when clicking 'Check Acquired Achievements' button in 'Achievement' window.
2. 'OK' button for recovery does not respond when Digimon falls down and Tamer is moving to another area by moving towards the portal.
3. Display error of Seal Master function.
4. Game crash when equipping Costume items purchased from 'Sora's Mom' NPC.
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※Tamers can still stay online in all servers of Digimon Masters Online, 
  but requires to download patch when running the client again.

Thank you.