Submitted by DelerRH, also found by DelerRH, ayden, bart1e, bart1e, adeolu, No12Samurai, LaScaloneta, HE1M, pep7siup, pep7siup, RedTiger, RedTiger, and f00l
https://github.com/code-423n4/2023-06-lybra/blob/7b73ef2fbb542b569e182d9abf79be643ca883ee/contracts/lybra/miner/ProtocolRewardsPool.sol#L190-L218 
The getReward external function cant calculate and distribute rewards correctly for an account because of the reasons below:
Users cant get rewards and rewards freeze.
Foundry
Math
0xean (judge) decreased severity to Medium
LybraFinance confirmed
