Just installed v0.1.b1.3.  Keep getting "Invalid address used for login".  Getting this error message trying to mine in two different pools.  Looking at the logs:

[2018-01-14 22:21:57,700] [INFO] Connecting to RPC server [pool.sumokoin.com:3333]...
[2018-01-14 22:21:57,980] [INFO] Logging in ...
[2018-01-14 22:21:58,066] [ERROR] Error -1: invalid address used for login
[2018-01-14 22:31:23,759] [INFO] Connecting to RPC server [pool.sumokoin.com:3333]...
[2018-01-14 22:31:23,937] [INFO] Logging in ...
[2018-01-14 22:31:24,026] [ERROR] Error -1: invalid address used for login

Any thots on why, how to fix it?