Json read error for animated Emojis

[14:08:51.014] [RequestBuffer Initial Executor] ERROR sx.blah.discord.Discord4J - Received 403 forbidden error for url https://discordapp.com/api/v6/channels/176667519086493696/messages/394604462053916685. If you believe this is a Discord4J error, report this!
[14:08:51.016] [Dispatch Handler] ERROR sx.blah.discord.Discord4J - Unable to process JSON!
java.lang.NullPointerException: null
    at sx.blah.discord.api.internal.DispatchHandler.reactionRemove(DispatchHandler.java:804)
    at sx.blah.discord.api.internal.DispatchHandler.lambda$handle$0(DispatchHandler.java:203)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)