Plugman 2.1.5

[Craft Scheduler Thread - 143/WARN]: [PlugMan] Plugin PlugMan v2.1.5 generated an exception while executing task 23999
java.lang.NullPointerException: null
    at com.rylinaux.plugman.util.SpiGetUtil.checkUpToDate(SpiGetUtil.java:84) ~[?:?]
    at com.rylinaux.plugman.command.CheckCommand$2.run(CheckCommand.java:206) ~[?:?]
    at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
    at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:52) [spigot-1.12.2.jar:git-Spigot-e8ded36-acbc348]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_171]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_171]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_171]