I can't connect my MySQL's server to ArcBank

[rexracer1998]

I've tried a lot of time to enable/disable the "ARCBank.MySQL.EnableMySQL" at the line 92 of the File "lua/arcbank/server/mysql.lua" a lot of time but it's doesn't work for me.
the MySQL's Server actually work for the DarkRP and the port 3306 is open and not blocked by the firewall .
That's the part of the file i've changed :

ARCBank = ARCBank or {}
ARCBank.Loaded = false
ARCBank.MySQL = {}
ARCBank.MySQL.EnableMySQL = false
ARCBank.MySQL.Host = "**.**.***.**"
ARCBank.MySQL.Username = "*****" 
ARCBank.MySQL.Password = "*************"
ARCBank.MySQL.DatabaseName = "darkrp"
ARCBank.MySQL.DatabasePort = 3306
ARCBank.MySQL.UnixSocket = ""

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Thank's for your help ^^
(and sorry if my english is aproximative, i'm french)