> [00:29:43 ERROR]: Encountered an unexpected exception
java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String
at net.minecraft.server.v1_7_R4.WorldGenVillage.<init>(WorldGenVillage.java:30) ~[server.jar:git-PaperSpigot-a925999]
at net.minecraft.server.v1_7_R4.ChunkProviderFlat.<init>(ChunkProviderFlat.java:32) ~[server.jar:git-PaperSpigot-a925999]
at net.minecraft.server.v1_7_R4.WorldProvider.getChunkProvider(SourceFile:55) ~[server.jar:git-PaperSpigot-a925999]
at org.bukkit.craftbukkit.v1_7_R4.generator.NormalChunkGenerator.<init>(NormalChunkGenerator.java:21) ~[server.jar:git-PaperSpigot-a925999]
at net.minecraft.server.v1_7_R4.WorldServer.j(WorldServer.java:693) ~[server.jar:git-PaperSpigot-a925999]
at net.minecraft.server.v1_7_R4.World.<init>(World.java:271) ~[server.jar:git-PaperSpigot-a925999]
at net.minecraft.server.v1_7_R4.WorldServer.<init>(WorldServer.java:52) ~[server.jar:git-PaperSpigot-a925999]
at net.minecraft.server.v1_7_R4.MinecraftServer.a(MinecraftServer.java:225) ~[server.jar:git-PaperSpigot-a925999]
at net.minecraft.server.v1_7_R4.DedicatedServer.init(DedicatedServer.java:208) ~[server.jar:git-PaperSpigot-a925999]
at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:506) [server.jar:git-PaperSpigot-a925999]
at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [server.jar:git-PaperSpigot-a925999]
> [00:29:43 ERROR]: This crash report has been saved to: /home/container/./crash-reports/crash-2019-03-25_00.29.43-server.txt