Update source file messages.properties

Author: Flask-Bot

Essentials/src/main/resources/messages.properties

@@ -1131,6 +1131,7 @@ sellCommandUsage4=/<command> blocks [amount]
 sellCommandUsage4Description=Sells all (or the given amount, if specified) of blocks in your inventory
 sellHandPermission=<primary>You do not have permission to hand sell.
 serverFull=Server is full\!
+whitelistKick=Whitelist enabled\!
 serverReloading=There's a good chance you're reloading your server right now. If that's the case, why do you hate yourself? Expect no support from the EssentialsX team when using /reload.
 serverTotal=<primary>Server Total\:<secondary> {0}
 serverUnsupported=You are running an unsupported server version\!