Constant error when plugin runs and someone wins.

[X-Niter]

Every time it sends and someone types the word correctly, I keep getting this error thrown into the console.
Any idea if this is something on my side that can be fixed?

Latest Version of React and Sponge Forge 7.1.10

03.04 03:01:15 [Server] Server thread/WARN [Sponge]: //
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / Could not pass MessageChannelEvent$Chat$Impl /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: //
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: /* Could not pass the event MessageChannelEvent$Chat$Impl to an Event Listener! /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / Since the event can be modified during the event's listener,
03.04 03:01:15 [Server] INFO there could be adverse side effects of the exception occuring
03.04 03:01:15 [Server] INFO such that duplications or other game breaking issues could exist.
03.04 03:01:15 [Server] INFO Due to the nature of the exception, this is not likely an exception
03.04 03:01:15 [Server] INFO that is covered by SpongeForge or Forge itself, and therefor should
03.04 03:01:15 [Server] INFO be reported to the mod/plugin author first prior to reporting to
03.04 03:01:15 [Server] INFO Sponge or Forge. /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / Owning Mod/Plugin: react /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / Exception: /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / java.util.NoSuchElementException: No /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / value present /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / java.util.Optional.get(Optional.java:135) /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / flavor.pie.react.Config$EconomySection.getCurrency(Config.java:40) /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / flavor.pie.react.React.lambda$null$1(React.java:170) /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / java.util.Optional.ifPresent(Optional.java:159) /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / flavor.pie.react.React.lambda$chat$2(React.java:169) /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / java.util.Optional.ifPresent(Optional.java:159) /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / flavor.pie.react.React.chat(React.java:167) /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / org.spongepowered.common.event.listener.ChatListener_React_chat119.handle(Unknown Source) /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95) /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:381) /
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: / org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:345) */
03.04 03:01:15 [Multicraft] Skipped 18 lines due to rate limit (30/s)
03.04 03:01:15 [Server] Server thread/WARN [Sponge]: