Mysql ERR: Commands out of sync; you can't run this command now
When it runs many threads like 30+ after a while i get this error

`| # ERR: Commands out of sync; you can't run this command now
  | # ERR: SQLException in
  | ....../src/db/MySqlAccounts.cpp
  | (
  | select
  | ) on line
  | 269
  | # ERR:
  | Commands out of sync; you can't run this command now
  | # ERR: SQLException in
  | ....../src/db/MySqlAccounts.cpp
  | (
  | select
  | ) on line
  | 269
  | # ERR:
  | Commands out of sync; you can't run this command now
  | # ERR: SQLException in
  | ....../src/db/MySqlAccounts.cpp
  | (
  | select
  | ) on line
  | 269
  | # ERR:
  | Commands out of sync; you can't run this command now
  | # ERR: SQLException in ....../src/db/MySqlAccounts.cpp(select) on line 269
  | # ERR: Commands out of sync; you can't run this command now
  | # ERR: SQLException in ....../src/db/MySqlAccounts.cpp(select) on line 269
  | # ERR: Commands out of sync; you can't run this command now
  | # ERR: SQLException in ....../src/db/MySqlAccounts.cpp(select) on line 269
  | # ERR: Commands out of sync; you can't run this command now
  | # ERR: SQLException in ....../src/db/MySqlAccounts.cpp(select) on line 269
  | # ERR: Commands out of sync; you can't run this command now`

did you get this issue?