internal error on ttravel stop

[17:10:40] [Server thread/INFO]: YugoDaWoof issued server command: /ttravel stop
[17:10:40] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'ttravel' in plugin TARDIS v4.4-b2099
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[patched_1.15.2.jar:git-Paper-245]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159) ~[patched_1.15.2.jar:git-Paper-245]
	at org.bukkit.craftbukkit.v1_15_R1.CraftServer.dispatchCommand(CraftServer.java:760) ~[patched_1.15.2.jar:git-Paper-245]
	at net.minecraft.server.v1_15_R1.PlayerConnection.handleCommand(PlayerConnection.java:1854) ~[patched_1.15.2.jar:git-Paper-245]
	at net.minecraft.server.v1_15_R1.PlayerConnection.chat(PlayerConnection.java:1761) ~[patched_1.15.2.jar:git-Paper-245]
	at org.bukkit.craftbukkit.v1_15_R1.entity.CraftPlayer.chat(CraftPlayer.java:456) ~[patched_1.15.2.jar:git-Paper-245]
	at com.earth2me.essentials.commands.Commandsudo$1SudoCommandTask.run(Commandsudo.java:59) ~[?:?]
	at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftTask.run(CraftTask.java:84) ~[patched_1.15.2.jar:git-Paper-245]
	at org.bukkit.craftbukkit.v1_15_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:461) ~[patched_1.15.2.jar:git-Paper-245]
	at net.minecraft.server.v1_15_R1.MinecraftServer.b(MinecraftServer.java:1240) ~[patched_1.15.2.jar:git-Paper-245]
	at net.minecraft.server.v1_15_R1.DedicatedServer.b(DedicatedServer.java:430) ~[patched_1.15.2.jar:git-Paper-245]
	at net.minecraft.server.v1_15_R1.MinecraftServer.a(MinecraftServer.java:1157) ~[patched_1.15.2.jar:git-Paper-245]
	at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:946) ~[patched_1.15.2.jar:git-Paper-245]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_252]
Caused by: java.lang.IllegalArgumentException: Could not parse data: minecraft:wall_sign[facing=west,waterlogged=false]
	at org.bukkit.craftbukkit.v1_15_R1.block.data.CraftBlockData.newData(CraftBlockData.java:541) ~[patched_1.15.2.jar:git-Paper-245]
	at org.bukkit.craftbukkit.v1_15_R1.CraftServer.createBlockData(CraftServer.java:1980) ~[patched_1.15.2.jar:git-Paper-245]
	at org.bukkit.craftbukkit.v1_15_R1.CraftServer.createBlockData(CraftServer.java:1973) ~[patched_1.15.2.jar:git-Paper-245]
	at org.bukkit.Bukkit.createBlockData(Bukkit.java:1505) ~[patched_1.15.2.jar:git-Paper-245]
	at me.eccentric_nz.TARDIS.chameleon.TARDISChameleonPreset.getBlockDataFromArray(TARDISChameleonPreset.java:277) ~[?:?]
	at me.eccentric_nz.TARDIS.chameleon.TARDISChameleonPreset.buildTARDISChameleonColumn(TARDISChameleonPreset.java:247) ~[?:?]
	at me.eccentric_nz.TARDIS.chameleon.TARDISConstructColumn.getColumn(TARDISConstructColumn.java:60) ~[?:?]
	at me.eccentric_nz.TARDIS.builders.TARDISMaterialisationPreset.<init>(TARDISMaterialisationPreset.java:102) ~[?:?]
	at me.eccentric_nz.TARDIS.builders.TARDISPresetBuilderFactory.buildPreset(TARDISPresetBuilderFactory.java:148) ~[?:?]
	at me.eccentric_nz.TARDIS.commands.TARDISTravelCommands.onCommand(TARDISTravelCommands.java:166) ~[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[patched_1.15.2.jar:git-Paper-245]
	... 13 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Unknown block type 'minecraft:wall_sign' at position 0: <--[HERE]