Discord error

16.03 16:43:06 [Server] ERROR [DiscordSRV] [JDA] Encountered IDENTIFY Rate Limit! Waiting 60403 milliseconds before trying again!
16.03 16:43:34 [Server] WARN [DiscordSRV] Plugin DiscordSRV v1.18.4 generated an exception while executing task 97
16.03 16:43:34 [Server] INFO java.lang.NullPointerException: null
16.03 16:43:34 [Server] INFO at github.scarsz.discordsrv.util.GroupSynchronizationUtil.reSyncGroups(GroupSynchronizationUtil.java:57) ~[?:?]
16.03 16:43:34 [Server] INFO at github.scarsz.discordsrv.util.GroupSynchronizationUtil.reSyncGroups(GroupSynchronizationUtil.java:42) ~[?:?]
16.03 16:43:34 [Server] INFO at java.util.ArrayList.forEach(ArrayList.java:1249) ~[?:1.8.0_101]
16.03 16:43:34 [Server] INFO at github.scarsz.discordsrv.util.GroupSynchronizationUtil.lambda$static$0(GroupSynchronizationUtil.java:38) ~[?:?]
16.03 16:43:34 [Server] INFO at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftTask.run(CraftTask.java:84) ~[patched_1.15.2.jar:git-Paper-105]
16.03 16:43:34 [Server] INFO at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:54) ~[patched_1.15.2.jar:git-Paper-105]
16.03 16:43:34 [Server] INFO at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) ~[patched_1.15.2.jar:git-Paper-105]
16.03 16:43:34 [Server] INFO at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_101]
16.03 16:43:34 [Server] INFO at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_101]
16.03 16:43:34 [Server] INFO at java.lang.Thread.run(Thread.java:745) [?:1.8.0_101]