Dear #CYkuza,
IMPORTANT: if you are still running a version of Cyberyen Core older than 0.21.2.3, it is highly recommended that you upgrade NOW! 

Major fixes and improvements: Fix Block Subsidy Calculation Violations.
These fixes are important for every node operator and wallet user.

Upgrading is so easy.

- Backup your wallet
- Halt your node
- Download and install #Cyberyen Core 0.21.2.3 from the Github repository:  https://github.com/cyberyen/cyberyen/releases/tag/v0.21.2.3