[Sponge]: Failed to load configuration

gistfile1.txt

[00:28:33] [Server thread/INFO] [Sponge]: Checking for worlds that need to be migrated...
[00:28:33] [Server thread/INFO] [Sponge]: No worlds were found in need of migration.
[00:28:33] [Server thread/ERROR] [Sponge]: Failed to load configuration
java.io.IOException: configurate.typesafe.config.ConfigException$Parse: Reader: 18: Key 'world-generation-modifiers' may not be followed by token: '[' (if you intended '[' to be part of a key or string value, try enclosing the key or value in double quotes)
	at ninja.leaping.configurate.loader.AbstractConfigurationLoader.load(AbstractConfigurationLoader.java:145) ~[spongeforge-1.12.2-2705-7.1.0-BETA-3361.jar:1.12.2-2705-7.1.0-BETA-3361]
	at ninja.leaping.configurate.loader.ConfigurationLoader.load(ConfigurationLoader.java:58) ~[spongeforge-1.12.2-2705-7.1.0-BETA-3361.jar:1.12.2-2705-7.1.0-BETA-3361]
	at org.spongepowered.common.config.SpongeConfig.reload(SpongeConfig.java:183) [SpongeConfig.class:1.12.2-2705-7.1.0-BETA-3361]
	at org.spongepowered.common.config.SpongeConfig.<init>(SpongeConfig.java:136) [SpongeConfig.class:1.12.2-2705-7.1.0-BETA-3361]
	at net.minecraft.world.storage.WorldInfo.createWorldConfig(WorldInfo.java:1157) [bfd.class:?]
	at net.minecraft.world.storage.WorldInfo.handler$onConstruction$zod000(WorldInfo.java:1097) [bfd.class:?]
	at net.minecraft.world.storage.WorldInfo.<init>(WorldInfo.java:266) [bfd.class:?]
	at org.spongepowered.common.world.WorldManager.createWorldInfoFromSettings(WorldManager.java:780) [WorldManager.class:1.12.2-2705-7.1.0-BETA-3361]
	at org.spongepowered.common.world.WorldManager.loadAllWorlds(WorldManager.java:723) [WorldManager.class:1.12.2-2705-7.1.0-BETA-3361]
	at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:3541) [MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:270) [nz.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486) [MinecraftServer.class:?]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_171]
Caused by: configurate.typesafe.config.ConfigException$Parse: Reader: 18: Key 'world-generation-modifiers' may not be followed by token: '[' (if you intended '[' to be part of a key or string value, try enclosing the key or value in double quotes)
	at configurate.typesafe.config.impl.ConfigDocumentParser$ParseContext.parseError(ConfigDocumentParser.java:201) ~[ConfigDocumentParser$ParseContext.class:1.12.2-2705-7.1.0-BETA-3361]
	at configurate.typesafe.config.impl.ConfigDocumentParser$ParseContext.parseError(ConfigDocumentParser.java:197) ~[ConfigDocumentParser$ParseContext.class:1.12.2-2705-7.1.0-BETA-3361]
	at configurate.typesafe.config.impl.ConfigDocumentParser$ParseContext.parseObject(ConfigDocumentParser.java:459) ~[ConfigDocumentParser$ParseContext.class:1.12.2-2705-7.1.0-BETA-3361]
	at configurate.typesafe.config.impl.ConfigDocumentParser$ParseContext.parseValue(ConfigDocumentParser.java:247) ~[ConfigDocumentParser$ParseContext.class:1.12.2-2705-7.1.0-BETA-3361]
	at configurate.typesafe.config.impl.ConfigDocumentParser$ParseContext.parseObject(ConfigDocumentParser.java:456) ~[ConfigDocumentParser$ParseContext.class:1.12.2-2705-7.1.0-BETA-3361]
	at configurate.typesafe.config.impl.ConfigDocumentParser$ParseContext.parse(ConfigDocumentParser.java:646) ~[ConfigDocumentParser$ParseContext.class:1.12.2-2705-7.1.0-BETA-3361]
	at configurate.typesafe.config.impl.ConfigDocumentParser.parse(ConfigDocumentParser.java:14) ~[ConfigDocumentParser.class:1.12.2-2705-7.1.0-BETA-3361]
	at configurate.typesafe.config.impl.Parseable.rawParseValue(Parseable.java:260) ~[Parseable.class:1.12.2-2705-7.1.0-BETA-3361]
	at configurate.typesafe.config.impl.Parseable.rawParseValue(Parseable.java:248) ~[Parseable.class:1.12.2-2705-7.1.0-BETA-3361]
	at configurate.typesafe.config.impl.Parseable.parseValue(Parseable.java:180) ~[Parseable.class:1.12.2-2705-7.1.0-BETA-3361]
	at configurate.typesafe.config.impl.Parseable.parseValue(Parseable.java:174) ~[Parseable.class:1.12.2-2705-7.1.0-BETA-3361]
	at configurate.typesafe.config.impl.Parseable.parse(Parseable.java:299) ~[Parseable.class:1.12.2-2705-7.1.0-BETA-3361]
	at configurate.typesafe.config.ConfigFactory.parseReader(ConfigFactory.java:622) ~[ConfigFactory.class:1.12.2-2705-7.1.0-BETA-3361]
	at ninja.leaping.configurate.hocon.HoconConfigurationLoader.loadInternal(HoconConfigurationLoader.java:174) ~[spongeforge-1.12.2-2705-7.1.0-BETA-3361.jar:1.12.2-2705-7.1.0-BETA-3361]
	at ninja.leaping.configurate.hocon.HoconConfigurationLoader.loadInternal(HoconConfigurationLoader.java:55) ~[spongeforge-1.12.2-2705-7.1.0-BETA-3361.jar:1.12.2-2705-7.1.0-BETA-3361]
	at ninja.leaping.configurate.loader.AbstractConfigurationLoader.load(AbstractConfigurationLoader.java:136) ~[spongeforge-1.12.2-2705-7.1.0-BETA-3361.jar:1.12.2-2705-7.1.0-BETA-3361]
	... 12 more
[00:28:35] [Server thread/INFO] [net.minecraft.advancements.AdvancementList]: Loaded 488 advancements
[00:28:35] [Server thread/INFO] [net.minecraft.advancements.AdvancementList]: Loaded 6 advancement trees
[00:28:35] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Preparing start region for level 0 (wn)