i found this problem on mypool. Maybe this is your problem.

[2017-11-14 07:17:49.116] [INFO] [default] - Payments syiling addressAccount:
[2017-11-14 07:17:49.116] [INFO] [default] - Payments syiling
[2017-11-14 07:17:49.116] [INFO] [default] - Payments syiling addressAmounts:
[2017-11-14 07:17:49.116] [INFO] [default] - Payments syiling { SggoGhGzdeY1GY3hWKGyjNQSzifdJzb7pc: 104.55872827,
  SZvwxJv9Q7YUm22WM9yfxWrFjag4yfYhKs: 399.6667184,
  SczYnZsKwf6q8LWyQLFgd5dZNc6vfh7pBc: 407.59133731,
  SMd8oqyDikN4E3uiRZn6QgYNUssJgU4FA8: 323.66456904,
  SRwu3NJTg4ST6PFyJYJay31LJB9zFwauED: 214.26777902,
  SRAgxqozmrZnoDbC5CfynGZawmAhjJCtMm: 514.53282796 }
[2017-11-14 07:17:49.421] [DEBUG] [default] - Pool mauifirstcoin Thread 1 Unauthorized  MQKPCnP4k4Yyi42F61iN6tZPzQnQhRMN3a:x [118.101.46.11]
[2017-11-14 07:17:49.428] [ERROR] [default] - Payments syiling No worker shares for round: 18971 blockHash: 8dc1ccb16f96041e8d1b358d310176d3c309fe0aabe51efa207c2f8d9c02e209
[2017-11-14 07:17:49.493] [ERROR] [default] - Payments syiling Not enough funds to cover the tx fees for sending out payments, decreasing rewards by 1% and retrying

i check pool wallet has more balance than this. 3997.293 - 1964.28196 = 2033.01104


so i will flush all db then pay manual to all address list here!

so sorry guys!