diff --git a/src/main/kotlin/de/bixilon/pixlyzer/generator/Generators.kt b/src/main/kotlin/de/bixilon/pixlyzer/generator/Generators.kt
index f2ef64e..7ee300e 100644
--- a/src/main/kotlin/de/bixilon/pixlyzer/generator/Generators.kt
+++ b/src/main/kotlin/de/bixilon/pixlyzer/generator/Generators.kt
@@ -1,7 +1,6 @@
 package de.bixilon.pixlyzer.generator
 
 import de.bixilon.pixlyzer.generator.generators.*
-import de.bixilon.pixlyzer.generator.generators.enums.BiomePrecipitationsGenerator
 import de.bixilon.pixlyzer.generator.generators.enums.EnchantmentTargetsGenerator
 import de.bixilon.pixlyzer.generator.generators.variants.CatVariantGenerator
 import de.bixilon.pixlyzer.generator.generators.variants.FrogVariantGenerator
@@ -42,7 +41,6 @@ object Generators {
         PointOfInterestGenerator,
         VillagerProfessionGenerator,
         SoundEventGenerator,
-        BiomePrecipitationsGenerator,
 
         EnchantmentTargetsGenerator,
 
diff --git a/src/main/kotlin/de/bixilon/pixlyzer/generator/generators/BiomeGenerator.kt b/src/main/kotlin/de/bixilon/pixlyzer/generator/generators/BiomeGenerator.kt
index 0983ff7..aa5456f 100644
--- a/src/main/kotlin/de/bixilon/pixlyzer/generator/generators/BiomeGenerator.kt
+++ b/src/main/kotlin/de/bixilon/pixlyzer/generator/generators/BiomeGenerator.kt
@@ -35,14 +35,14 @@ object BiomeGenerator : Generator(
 
             val climateParameters = CLIMATE_PARAMETERS_FIELD?.get(biome) ?: biome
 
-            (PRECIPITATION_FIELD.get(climateParameters) as Enum<*>?)?.ordinal?.let {
+            (PRECIPITATION_FIELD!!.get(climateParameters) as Enum<*>?)?.ordinal?.let {
                 biomeData["precipitation"] = it
             }
-            biomeData["temperature"] = TEMPERATURE_FIELD.getFloat(climateParameters)
+            biomeData["temperature"] = TEMPERATURE_FIELD!!.getFloat(climateParameters)
             (TEMPERATURE_MODIFIER_FIELD?.get(climateParameters) as Enum<*>?)?.let {
                 biomeData["temperature_modifier"] = it.name
             }
-            biomeData["downfall"] = DOWNFALL_FIELD.getFloat(climateParameters)
+            biomeData["downfall"] = DOWNFALL_FIELD!!.getFloat(climateParameters)
 
 
             getField(Biome::class.java, "effects")?.get(biome)?.let {
@@ -156,10 +156,10 @@ object BiomeGenerator : Generator(
 
 
     private val CLIMATE_PARAMETERS_FIELD = getField(Biome::class.java, "weather", "climateSettings")
-    private val PRECIPITATION_FIELD = getField(CLIMATE_SETTINGS_CLASS, "precipitation")!!
-    private val TEMPERATURE_FIELD = getField(CLIMATE_SETTINGS_CLASS, "temperature", "baseTemperature")!!
+    private val PRECIPITATION_FIELD = getField(CLIMATE_SETTINGS_CLASS, "precipitation")
+    private val TEMPERATURE_FIELD = getField(CLIMATE_SETTINGS_CLASS, "temperature", "baseTemperature")
     private val TEMPERATURE_MODIFIER_FIELD = getField(CLIMATE_SETTINGS_CLASS, "temperatureModifier")
-    private val DOWNFALL_FIELD = getField(CLIMATE_SETTINGS_CLASS, "downfall")!!
+    private val DOWNFALL_FIELD = getField(CLIMATE_SETTINGS_CLASS, "downfall")
 
 
     private val BIOME_SKY_COLOR_FIELD = getField(Biome::class.java, "field_21806", "skyColor")
diff --git a/src/main/kotlin/de/bixilon/pixlyzer/generator/generators/VersionGenerator.kt b/src/main/kotlin/de/bixilon/pixlyzer/generator/generators/VersionGenerator.kt
index 8783c55..fc89116 100644
--- a/src/main/kotlin/de/bixilon/pixlyzer/generator/generators/VersionGenerator.kt
+++ b/src/main/kotlin/de/bixilon/pixlyzer/generator/generators/VersionGenerator.kt
@@ -5,7 +5,8 @@ import de.bixilon.pixlyzer.generator.Generator
 import net.minecraft.MinecraftVersion
 
 object VersionGenerator : Generator(
-    "version"
+    "version",
+    allowedFail = true,
 ) {
     override fun generate() {
         val version = MinecraftVersion::class.java.getDeclaredMethod("create").invoke(null) as GameVersion
diff --git a/src/main/kotlin/de/bixilon/pixlyzer/generator/generators/enums/BiomePrecipitationsGenerator.kt b/src/main/kotlin/de/bixilon/pixlyzer/generator/generators/enums/BiomePrecipitationsGenerator.kt
deleted file mode 100644
index 1d87c14..0000000
--- a/src/main/kotlin/de/bixilon/pixlyzer/generator/generators/enums/BiomePrecipitationsGenerator.kt
+++ /dev/null
@@ -1,19 +0,0 @@
-package de.bixilon.pixlyzer.generator.generators.enums
-
-import de.bixilon.pixlyzer.generator.Generator
-import de.bixilon.pixlyzer.util.Util.compound
-import net.minecraft.world.biome.Biome
-
-object BiomePrecipitationsGenerator : Generator(
-    "biome_precipitations"
-) {
-    override fun generate() {
-        for (biomeCategory in Biome.Precipitation.values()) {
-            val biomeCategoryData = compound()
-            biomeCategoryData["name"] = biomeCategory.name
-
-            data[biomeCategory.ordinal] = biomeCategoryData
-        }
-    }
-
-}