Unable to convert suggested difficulty
[2023-02-03 00:01:07.5812] [E] [bch] [0HMO3K6VOOGLS] Detected zombie-worker (idle-timeout exceeded). Closing connection ...
[2023-02-03 00:01:07.7766] [E] [bch] Unable to convert suggested difficulty [
  16384
] System.InvalidCastException: Object must implement IConvertible.
   at System.Convert.ChangeType(Object value, TypeCode typeCode, IFormatProvider provider)
   at Miningcore.Blockchain.Bitcoin.BitcoinPool.OnSuggestDifficultyAsync(StratumConnection connection, Timestamped`1 tsRequest) in /home/pool/test/miningcore/src/Miningcore/Blockchain/Bitcoin/BitcoinPool.cs:line 249    at System.Convert.ChangeType(Object value, TypeCode typeCode, IFormatProvider provider)
   at Miningcore.Blockchain.Bitcoin.BitcoinPool.OnSuggestDifficultyAsync(StratumConnection connection, Timestamped`1 tsRequest) in /home/pool/test/miningcore/src/Miningcore/Blockchain/Bitcoin/BitcoinPool.cs


Hi! any thoughts?