Problem with mysql debian 9

i get this errors

Creating script environments for vrp
MySql.Data.MySqlClient.MySqlException (0x80004005): Unable to connect to any of the specified MySQL hosts.
at MySql.Data.Serialization.MySqlSession.ConnectAsync (MySql.Data.Serialization.ConnectionSettings cs, MySql.Data.Protocol.Serialization.IOBehavior ioBehavior, System.Threading.CancellationToken cancellationToken) [0x001d0] in :0
at MySql.Data.MySqlClient.ConnectionPool.GetSessionAsync (MySql.Data.Protocol.Serialization.IOBehavior ioBehavior, System.Threading.CancellationToken cancellationToken) [0x00476] in :0
at MySql.Data.MySqlClient.MySqlConnection.CreateSessionAsync (MySql.Data.Protocol.Serialization.IOBehavior ioBehavior, System.Threading.CancellationToken cancellationToken) [0x00101] in :0
at MySql.Data.MySqlClient.MySqlConnection.OpenAsync (MySql.Data.Protocol.Serialization.IOBehavior ioBehavior, System.Threading.CancellationToken cancellationToken) [0x00106] in :0
at MySql.Data.MySqlClient.MySqlConnection.Open () [0x00012] in :0
at vRP.MySQL.e_createConnection (System.String name, System.String config) [0x0000f] in <8dfc0861f4df44189d833de5e878b97b>:0

[vRP/C#] connection/command path vRP/get_srvdata not found
[vRP/C#] connection/command path vRP/set_srvdata not found

my db config vrp/cfg/base.lua
– mysql credentials
cfg.db = {
host = “127.0.0.1:3306”,
database = “vRP”,
user = “root”,
password = “mypassword”
}

server.cfg

set mysql_connection_string “server=127.0.0.1:3306;database=vRP;userid=root;password=mypassword”

i’m using debian 9

sorry for bad english

Try removing the 3306 port from your host and server string.