>.... [11:21:41 ERROR]: Error occurred while enabling RPChat v1.1.1 (Is it up to date?)
java.lang.UnsupportedOperationException: Use BukkitRunnable#runTaskTimer(Plugin, long, long)
at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftScheduler.scheduleSyncRepeatingTask(CraftScheduler.java:581) ~[patched_1.15.2.jar:git-Paper-77]
at EmeraldTeam.RPChat.RPChat.timer(RPChat.java:140) ~[?:?]
at EmeraldTeam.RPChat.RPChat.onEnable(RPChat.java:44) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[patched_1.15.2.jar:git-Paper-77]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:338) ~[patched_1.15.2.jar:git-Paper-77]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:420) ~[patched_1.15.2.jar:git-Paper-77]
at org.bukkit.craftbukkit.v1_15_R1.CraftServer.enablePlugin(CraftServer.java:468) ~[patched_1.15.2.jar:git-Paper-77]
at org.bukkit.craftbukkit.v1_15_R1.CraftServer.enablePlugins(CraftServer.java:382) ~[patched_1.15.2.jar:git-Paper-77]
at net.minecraft.server.v1_15_R1.MinecraftServer.a(MinecraftServer.java:482) ~[patched_1.15.2.jar:git-Paper-77]
at net.minecraft.server.v1_15_R1.DedicatedServer.init(DedicatedServer.java:291) ~[patched_1.15.2.jar:git-Paper-77]
at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:885) ~[patched_1.15.2.jar:git-Paper-77]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]
>.... [11:21:41 INFO]: [RPChat] Disabling RPChat v1.1.1