Yes. See posts from the last few days about the same issue with coins using the Lyra2z algorithm.
But..
i switch to another coin and another pool
i switch to Gin coin with Angrypool, with 13 MH my rig, i got about
0.019 GIN based on
https://www.coincalculators.io/coin.aspx?crypto=gincoin-mining-calculator. And i try mining about 1 hour, and i got
0.018 GIN. this is same with calculator.