Program: 98298
Project: 98298
Buggy source:
@PreInit public void preLoadChocoCraft(FMLPreInitializationEvent preInitEvent){
  chocoboHeight=1.9F;
  chocoboWidth=1.3F;
  mainConfiguration=new Configuration(preInitEvent.getSuggestedConfigurationFile());
  configFolder=preInitEvent.getModConfigurationDirectory();
  mainConfiguration.load();
  chocoboSaddleId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOBO_SADDLE_ID);
  gysahlSeedsId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.GYSAHL_SEEDS_ID);
  gysahlLoverlyId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.GYSAHL_LOVERLY_ID);
  gysahlGoldenId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.GYSAHL_GOLDEN_ID);
  gysahlPinkId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.GYSAHL_PINK_ID);
  gysahlRedId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.GYSAHL_RED_ID);
  gysahlChibiId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.GYSAHL_CHIBI_ID);
  gysahlCakeId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.GYSAHL_CAKE_ID);
  chocoboLegRawId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOBO_LEG_RAW_ID);
  chocoboLegCookedId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOBO_LEG_COOKED_ID);
  chocoboFeatherId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOBO_FEATHER_ID);
  chocoboSaddleBagsId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOBO_SADDLE_BAGS_ID);
  chocoboPackBagsId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOBO_PACK_BAGS_ID);
  chocoboWhistleId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOBO_WHISTLE_ID);
  chocopediaId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOPEDIA_ID);
  purpleChocoboEggId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.PURPLE_CHOCOBO_EGG_ID);
  chocoDisguiseHelmetId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCO_DISGUISE_HELMET_ID);
  chocoDisguisePlateId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCO_DISGUISE_PLATE_ID);
  chocoDisguiseLegsId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCO_DISGUISE_LEGS_ID);
  chocoDisguiseBootsId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCO_DISGUISE_BOOTS_ID);
  gysahlGreenBlockId=mainConfiguration.getBlock("String_Node_Str",Constants.GYSAHL_GREEN_BLOCK_ID);
  gysahlStemBlockId=mainConfiguration.getBlock("String_Node_Str",Constants.GYSAHL_STEM_BLOCK_ID);
  strawBlockId=mainConfiguration.getBlock("String_Node_Str",Constants.STRAW_BLOCK_ID);
  mainConfiguration.save();
  chocoboWingFlutter=Constants.DEFAULT_CHOCOBO_WING_FLUTTER;
  hungerEnabled=Constants.DEFAULT_HUNGER_ENABLED;
  riderBuffsEnabled=Constants.DEFAULT_RIDER_BUFFS_ENABLED;
  showChocoboNames=Constants.DEFAULT_SHOW_CHOCOBO_NAMES;
  genderMaleChance=Constants.DEFAULT_GENDER_MALE_CHANCE;
  gysahlGreenMutationRate=Constants.DEFAULT_GYSAHL_GREEN_MUTATION_RATE;
  gysahlLoveMutationRate=Constants.DEFAULT_GYSAHL_LOVE_MUTATION_RATE;
  featherDropChance=Constants.DEFAULT_FEATHER_DROP_CHANCE;
  featherDelayRandom=Constants.DEFAULT_FEATHER_DELAY_RANDOM;
  featherDelayStatic=Constants.DEFAULT_FEATHER_DELAY_STATIC;
  penHealProbability=Constants.DEFAULT_PEN_HEAL_PROBABILITY;
  penHealCauldronRange=Constants.DEFAULT_PEN_HEAL_CAULDRON_RANGE;
  spawnTimeDelay=Constants.DEFAULT_SPAWN_TIME_DELAY;
  spawnGroupMin=Constants.DEFAULT_SPAWN_GROUP_MIN;
  spawnGroupMax=Constants.DEFAULT_SPAWN_GROUP_MAX;
  spawnTotalMax=Constants.DEFAULT_SPAWN_TOTAL_MAX;
  spawnProbability=Constants.DEFAULT_SPAWN_PROBABILITY;
  spawnLimitChunkRadius=Constants.DEFAULT_SPAWN_LIMIT_CHUNK_RADIUS;
  spawnDistanceNextWild=Constants.DEFAULT_SPAWN_DIST_NEXT_WILD;
  spawnDbTimeDelay=0;
  spawnDbStatus="String_Node_Str";
  breedingDelayMale=Constants.DEFAULT_BREEDING_DELAY_MALE;
  breedingDelayFemale=Constants.DEFAULT_BREEDING_DELAY_FEMALE;
  growupDelayRandom=Constants.DEFAULT_GROWUP_DELAY_RANDOM;
  growupDelayStatic=Constants.DEFAULT_GROWUP_DELAY_STATIC;
  hungerDelayChicobo=Constants.DEFAULT_HUNGER_DELAY_CHICOBO;
  hungerDelayChocobo=Constants.DEFAULT_HUNGER_DELAY_CHOCOBO;
  renderNameHeight=Constants.DEFAULT_RENDER_NAME_HEIGHT;
  livingSoundProb=Constants.DEFAULT_LIVING_SOUND_PROB;
  saddledCanWander=Constants.DEFAULT_SADDLED_CAN_WANDER;
  ChocoboConfig.readConfigFilePreInit();
  proxy.registerEventListener();
}

Fixed version (ground truth):
@PreInit public void preLoadChocoCraft(FMLPreInitializationEvent preInitEvent){
  chocoboHeight=1.9F;
  chocoboWidth=1.3F;
  mainConfiguration=new Configuration(preInitEvent.getSuggestedConfigurationFile());
  configFolder=preInitEvent.getModConfigurationDirectory();
  mainConfiguration.load();
  chocoboSaddleId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOBO_SADDLE_ID);
  gysahlSeedsId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.GYSAHL_SEEDS_ID);
  gysahlLoverlyId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.GYSAHL_LOVERLY_ID);
  gysahlGoldenId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.GYSAHL_GOLDEN_ID);
  gysahlPinkId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.GYSAHL_PINK_ID);
  gysahlRedId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.GYSAHL_RED_ID);
  gysahlCakeId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.GYSAHL_CAKE_ID);
  gysahlPicklesId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.GYSAHL_PICKLES_ID);
  gysahlPicklesRawId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.GYSAHL_PICKLES_RAW_ID);
  chocoboLegRawId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOBO_LEG_RAW_ID);
  chocoboLegCookedId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOBO_LEG_COOKED_ID);
  chocoboFeatherId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOBO_FEATHER_ID);
  chocoboSaddleBagsId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOBO_SADDLE_BAGS_ID);
  chocoboPackBagsId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOBO_PACK_BAGS_ID);
  chocoboWhistleId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOBO_WHISTLE_ID);
  chocopediaId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCOPEDIA_ID);
  purpleChocoboEggId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.PURPLE_CHOCOBO_EGG_ID);
  chocoDisguiseHelmetId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCO_DISGUISE_HELMET_ID);
  chocoDisguisePlateId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCO_DISGUISE_PLATE_ID);
  chocoDisguiseLegsId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCO_DISGUISE_LEGS_ID);
  chocoDisguiseBootsId=mainConfiguration.getItem(Configuration.CATEGORY_ITEM,"String_Node_Str",Constants.CHOCO_DISGUISE_BOOTS_ID);
  gysahlGreenBlockId=mainConfiguration.getBlock("String_Node_Str",Constants.GYSAHL_GREEN_BLOCK_ID);
  gysahlStemBlockId=mainConfiguration.getBlock("String_Node_Str",Constants.GYSAHL_STEM_BLOCK_ID);
  strawBlockId=mainConfiguration.getBlock("String_Node_Str",Constants.STRAW_BLOCK_ID);
  mainConfiguration.save();
  chocoboWingFlutter=Constants.DEFAULT_CHOCOBO_WING_FLUTTER;
  hungerEnabled=Constants.DEFAULT_HUNGER_ENABLED;
  riderBuffsEnabled=Constants.DEFAULT_RIDER_BUFFS_ENABLED;
  showChocoboNames=Constants.DEFAULT_SHOW_CHOCOBO_NAMES;
  genderMaleChance=Constants.DEFAULT_GENDER_MALE_CHANCE;
  gysahlGreenMutationRate=Constants.DEFAULT_GYSAHL_GREEN_MUTATION_RATE;
  gysahlLoveMutationRate=Constants.DEFAULT_GYSAHL_LOVE_MUTATION_RATE;
  featherDropChance=Constants.DEFAULT_FEATHER_DROP_CHANCE;
  featherDelayRandom=Constants.DEFAULT_FEATHER_DELAY_RANDOM;
  featherDelayStatic=Constants.DEFAULT_FEATHER_DELAY_STATIC;
  penHealProbability=Constants.DEFAULT_PEN_HEAL_PROBABILITY;
  penHealCauldronRange=Constants.DEFAULT_PEN_HEAL_CAULDRON_RANGE;
  spawnTimeDelay=Constants.DEFAULT_SPAWN_TIME_DELAY;
  spawnGroupMin=Constants.DEFAULT_SPAWN_GROUP_MIN;
  spawnGroupMax=Constants.DEFAULT_SPAWN_GROUP_MAX;
  spawnTotalMax=Constants.DEFAULT_SPAWN_TOTAL_MAX;
  spawnProbability=Constants.DEFAULT_SPAWN_PROBABILITY;
  spawnLimitChunkRadius=Constants.DEFAULT_SPAWN_LIMIT_CHUNK_RADIUS;
  spawnDistanceNextWild=Constants.DEFAULT_SPAWN_DIST_NEXT_WILD;
  spawnDbTimeDelay=0;
  spawnDbStatus="String_Node_Str";
  breedingDelayMale=Constants.DEFAULT_BREEDING_DELAY_MALE;
  breedingDelayFemale=Constants.DEFAULT_BREEDING_DELAY_FEMALE;
  growupDelayRandom=Constants.DEFAULT_GROWUP_DELAY_RANDOM;
  growupDelayStatic=Constants.DEFAULT_GROWUP_DELAY_STATIC;
  hungerDelayChicobo=Constants.DEFAULT_HUNGER_DELAY_CHICOBO;
  hungerDelayChocobo=Constants.DEFAULT_HUNGER_DELAY_CHOCOBO;
  renderNameHeight=Constants.DEFAULT_RENDER_NAME_HEIGHT;
  livingSoundProb=Constants.DEFAULT_LIVING_SOUND_PROB;
  saddledCanWander=Constants.DEFAULT_SADDLED_CAN_WANDER;
  ChocoboConfig.readConfigFilePreInit();
  proxy.registerEventListener();
}