Autorank Error - 2018-08-10

[14:37:24 INFO]: [Autorank] Loading UUID storage files...
[14:37:24 INFO]: [Autorank] Removed 0 old storage entries from database!
[14:37:24 INFO]: [Autorank] No stats plugin found! Most requirements cannot be used!
[14:37:24 INFO]: [Autorank] Loaded libraries and dependencies
[14:37:24 ERROR]: [Autorank] Requirement 'blocks broken' relies on 'Statz' being installed, but that plugin is not installed!
[14:37:24 INFO]: [Autorank] Loaded UUID storage in 0 seconds.
[14:37:24 WARN]: [Autorank] Task #43 for Autorank v4.2.6 generated an exception
java.lang.NullPointerException: null
        at me.armar.plugins.autorank.pathbuilder.requirement.MoneyRequirement.getDescription(MoneyRequirement.java:18) ~[?:?]
        at me.armar.plugins.autorank.pathbuilder.holders.CompositeRequirement.getDescription(CompositeRequirement.java:70) ~[?:?]
        at me.armar.plugins.autorank.pathbuilder.PathManager.debugPaths(PathManager.java:65) ~[?:?]
        at me.armar.plugins.autorank.pathbuilder.PathManager.initialiseFromConfigs(PathManager.java:322) ~[?:?]
        at me.armar.plugins.autorank.Autorank$2.run(Autorank.java:284) ~[?:?]
        at org.bukkit.craftbukkit.v1_13_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.13.jar:git-Spigot-417cfb3-50e6858]
        at org.bukkit.craftbukkit.v1_13_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.13.jar:git-Spigot-417cfb3-50e6858]
        at net.minecraft.server.v1_13_R1.MinecraftServer.w(MinecraftServer.java:877) [spigot-1.13.jar:git-Spigot-417cfb3-50e6858]
        at net.minecraft.server.v1_13_R1.DedicatedServer.w(DedicatedServer.java:411) [spigot-1.13.jar:git-Spigot-417cfb3-50e6858]
        at net.minecraft.server.v1_13_R1.MinecraftServer.v(MinecraftServer.java:819) [spigot-1.13.jar:git-Spigot-417cfb3-50e6858]
        at net.minecraft.server.v1_13_R1.MinecraftServer.run(MinecraftServer.java:717) [spigot-1.13.jar:git-Spigot-417cfb3-50e6858]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_171]