[RealEstate] [ACF] Can't read players locale

[Panic-exe]

I'm running a paper 1.20.4 server with a 1.5.0pre2 RealEstate, and i got this error when a player joins, i did have this error in the SimplesClans too, and they updated the plugin and now this error go away (if it helps)...

[22:17:22 INFO]: [RealEstate] [ACF] Can't read players locale, you will be unable to automatically detect players language. Only Bukkit 1.7+ is supported for this.
[22:17:22 INFO]: [RealEstate] [ACF] java.lang.NoSuchFieldException: locale
[22:17:22 INFO]: [RealEstate] [ACF] at java.base/java.lang.Class.getDeclaredField(Class.java:2610)
[22:17:22 INFO]: [RealEstate] [ACF] at RealEstate-1.5.0-pre2.jar//me.EtienneDx.RealEstate.acf.BukkitCommandManager.readPlayerLocale(BukkitCommandManager.java:317)
[22:17:22 INFO]: [RealEstate] [ACF] at RealEstate-1.5.0-pre2.jar//me.EtienneDx.RealEstate.acf.ACFBukkitListener.onPlayerJoin(ACFBukkitListener.java:57)
[22:17:22 INFO]: [RealEstate] [ACF] at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:40)
[22:17:22 INFO]: [RealEstate] [ACF] at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:81)
[22:17:22 INFO]: [RealEstate] [ACF] at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[22:17:22 INFO]: [RealEstate] [ACF] at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54)
[22:17:22 INFO]: [RealEstate] [ACF] at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:126)
[22:17:22 INFO]: [RealEstate] [ACF] at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:615)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.server.players.PlayerList.a(PlayerList.java:345)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.server.network.ServerConfigurationPacketListenerImpl.a(ServerConfigurationPacketListenerImpl.java:134)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.network.protocol.configuration.ServerboundFinishConfigurationPacket.a(ServerboundFinishConfigurationPacket.java:18)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.network.protocol.configuration.ServerboundFinishConfigurationPacket.a(ServerboundFinishConfigurationPacket.java:9)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.network.protocol.PlayerConnectionUtils.lambda$ensureRunningOnSameThread$0(PlayerConnectionUtils.java:54)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.server.TickTask.run(TickTask.java:18)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.util.thread.IAsyncTaskHandler.d(IAsyncTaskHandler.java:149)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.util.thread.IAsyncTaskHandlerReentrant.d(IAsyncTaskHandlerReentrant.java:24)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1465)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:194)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.util.thread.IAsyncTaskHandler.x(IAsyncTaskHandler.java:123)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.server.MinecraftServer.bl(MinecraftServer.java:1442)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.server.MinecraftServer.x(MinecraftServer.java:1365)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.util.thread.IAsyncTaskHandler.c(IAsyncTaskHandler.java:133)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.server.MinecraftServer.w_(MinecraftServer.java:1343)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:1232)
[22:17:22 INFO]: [RealEstate] [ACF] at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:319)
[22:17:22 INFO]: [RealEstate] [ACF] at java.base/java.lang.Thread.run(Thread.java:840)