mysqld out of memory: Kill process

enter image description hereIm runing ETH Validator on NUC 12th Gen i7 /32GB / m.2 2TB for validator / ssd 500gb for windows 11 Pro system…. Windows 11 Pro system and then VM with latest Ubuntu…. by this guide: https://someresadium.com/guide-to-staking-on-ethereum-ubuntu-lighthouse-773f5d982e03 but the problem is now that every 24h my all validators are down and Im geting this… I have to tell that Im not very good in Ubuntu and linux 馃檨 Please for help Killed Process