[18:45:27] [Craft Scheduler Thread - 18/WARN]: [ShopChest] Plugin ShopChest v1.12.3 generated an exception while executing task 219
java.lang.NullPointerException: null
    at de.epiceric.shopchest.utils.UpdateChecker.check(UpdateChecker.java:43) ~[ShopChest.jar:?]
    at de.epiceric.shopchest.ShopChest$4.run(ShopChest.java:321) ~[ShopChest.jar:?]
    at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot.jar:git-Spigot-642f6d2-57ab4cf]
    at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:52) [spigot.jar:git-Spigot-642f6d2-57ab4cf]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_171]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_171]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_171]