java.lang.ExceptionInInitializerError

java.lang.ExceptionInInitializerError
	at de.leonhard.punishcontrol.PunishControl.checkBannedIPs(PunishControl.kt:247)
	at de.leonhard.punishcontrol.PunishControl.onPluginStart(PunishControl.kt:237)
	at de.leonhard.sapphire.proxy.SimplePlugin.onStart(SimplePlugin.java:206)
	at de.leonhard.sapphire.core.Sapphire$Bungee.onEnable(Sapphire.java:221)
	at net.md_5.bungee.api.plugin.PluginManager.enablePlugins(PluginManager.java:283)
	at net.md_5.bungee.BungeeCord.start(BungeeCord.java:281)
	at net.md_5.bungee.BungeeCordLauncher.main(BungeeCordLauncher.java:62)
	at net.md_5.bungee.Bootstrap.main(Bootstrap.java:15)
Caused by: java.lang.RuntimeException: Connection was never established
	at org.mineacademy.bfo.Valid.checkBoolean(Valid.java:71)
	at org.mineacademy.bfo.database.SimpleDatabase.checkEstablished(SimpleDatabase.java:286)
	at org.mineacademy.bfo.database.SimpleDatabase.query(SimpleDatabase.java:202)
	at de.leonhard.punishcontrol.storage.MySQLStorageProvider.loadMutedPlayers(MySQLStorageProvider.kt:126)
	at de.leonhard.punishcontrol.PunishManager.<clinit>(PunishManager.kt:14)
	... 8 more