...
it didn't help
I see the same errors:
2014-Jul-11 13:23:10.036716 [P2P1]ERROR /Users/user/jenkins/workspace/Bytecoin - MacOS/src/cryptonote_core/tx_pool.cpp:52 transaction fee is not enought: 0.01931100, minumim fee: 10.00000000
2014-Jul-11 13:23:10.036801 [P2P1]Transaction verification failed: <6033b7f47ca69a25358df7718f4f2b0bcfbd35dd883ab54f8140553587c2fd1f>
2014-Jul-11 13:23:10.036908 [P2P1][61.90.204.246:8080 OUT]Tx verification failed, dropping connection
2014-Jul-11 13:24:22.307819 [P2P3]ERROR /Users/user/jenkins/workspace/Bytecoin - MacOS/src/cryptonote_core/tx_pool.cpp:52 transaction fee is not enought: 0.01758965, minumim fee: 10.00000000
2014-Jul-11 13:24:22.307897 [P2P3]Transaction verification failed: <34258487d8c0b74004006581c89cf61c879fbd7dceab5e9316b1eb60383923b4>
2014-Jul-11 13:24:22.307965 [P2P3][217.23.12.74:8080 OUT]Tx verification failed, dropping connection
It is not an error actually. It's just older daemons relaying the transactions, which are not accepted by the network. You should just ignore it.
The fix described above was for another issue.