Epic

[05:45:37 WARN]: [EpicSpawners] Task #47 for EpicSpawners v5.9.3 generated an exception
java.lang.NullPointerException: null
        at org.bukkit.Location.getBlock(Location.java:91) ~[spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at com.songoda.epicspawners.spawners.spawner.ESpawner.getCreatureSpawner(ESpawner.java:131) ~[?:?]
        at com.songoda.epicspawners.tasks.SpawnerSpawnTask.lambda$run$0(SpawnerSpawnTask.java:43) ~[?:?]
        at java.util.ArrayList.forEach(Unknown Source) ~[?:1.8.0_211]
        at com.songoda.epicspawners.tasks.SpawnerSpawnTask.run(SpawnerSpawnTask.java:40) ~[?:?]
        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_211]