Could not fix ladder bounding box.

[ndrwcube]

[18:37:04 INFO]: [ViaRewind-Legacy-Support] Enabling ViaRewind-Legacy-Support v1.5.2-SNAPSHOT
[18:37:04 ERROR]: [ViaRewind-Legacy-Support] Could not fix ladder bounding box.
java.lang.IllegalStateException: Unknown bounding box type: net.minecraft.server.v1_16_R3.VoxelShapeCube
        at com.viaversion.viarewind.legacysupport.feature.BlockCollisionChanges.setBoundingBox(BlockCollisionChanges.java:93) ~[?:?]
        at com.viaversion.viarewind.legacysupport.feature.BlockCollisionChanges.fixLadder(BlockCollisionChanges.java:71) ~[?:?]
        at com.viaversion.viarewind.legacysupport.BukkitPlugin.enable(BukkitPlugin.java:74) ~[?:?]
        at com.viaversion.viarewind.legacysupport.BukkitPlugin.onEnable(BukkitPlugin.java:50) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[patched_1.16.5.jar:git-Paper-794]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:370) ~[patched_1.16.5.jar:git-Paper-794]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:500) ~[patched_1.16.5.jar:git-Paper-794]
        at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugin(CraftServer.java:518) ~[patched_1.16.5.jar:git-Paper-794]
        at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugins(CraftServer.java:432) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.MinecraftServer.loadWorld(MinecraftServer.java:599) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.DedicatedServer.init(DedicatedServer.java:298) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1074) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:291) ~[patched_1.16.5.jar:git-Paper-794]
        at java.lang.Thread.run(Thread.java:840) [?:?]

Minecraft version: PaperMC 1.16.5 794
JDK 17.0.12 (Liberica)