The plugin not work with build 344 and newest versions Paper

[Former user]

The blocks and database not load.

[23:08:54] [Craft Scheduler Thread - 31/WARN]: [RestrictedCreative] Plugin RestrictedCreative v2.3.6 generated an exception while executing task 491
java.lang.IllegalStateException: Asynchronous ChunkMapDistance::addTicket!
    at org.spigotmc.AsyncCatcher.catchOp(AsyncCatcher.java:15) ~[patched_1.15.2.jar:git-Paper-345]
    at net.minecraft.server.v1_15_R1.ChunkMapDistance.addTicket(ChunkMapDistance.java:158) ~[patched_1.15.2.jar:git-Paper-345]
    at net.minecraft.server.v1_15_R1.ChunkMapDistance.addTicket(ChunkMapDistance.java:311) ~[patched_1.15.2.jar:git-Paper-345]
    at net.minecraft.server.v1_15_R1.ChunkProviderServer.addTicket(ChunkProviderServer.java:958) ~[patched_1.15.2.jar:git-Paper-345]
    at org.bukkit.craftbukkit.v1_15_R1.CraftWorld.getChunkAt(CraftWorld.java:402) ~[patched_1.15.2.jar:git-Paper-345]
    at org.bukkit.craftbukkit.v1_15_R1.CraftWorld.getChunkAt(CraftWorld.java:1016) ~[patched_1.15.2.jar:git-Paper-345]
    at org.bukkit.Location.getChunk(Location.java:123) ~[patched_1.15.2.jar:git-Paper-345]
    at me.prunt.restrictedcreative.storage.DataHandler$2.run(DataHandler.java:529) ~[?:?]
    at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftTask.run(CraftTask.java:99) ~[patched_1.15.2.jar:git-Paper-345]
    at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:54) ~[patched_1.15.2.jar:git-Paper-345]
    at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) ~[patched_1.15.2.jar:git-Paper-345]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:?]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:?]
    at java.lang.Thread.run(Unknown Source) [?:?]

https://github.com/PaperMC/Paper/issues/3533

[Former user]

Paper fixed this.