Resolving issue #238.

src/main/java/com/gmail/nossr50/config/mods/CustomArmorConfig.java

@@ -49,6 +49,10 @@ public class CustomArmorConfig extends ConfigLoader{
 
     private void loadArmor(String armorType, List<Integer> idList) {
         ConfigurationSection armorSection = config.getConfigurationSection(armorType);
+
+        if(armorSection == null)
+            return;
+
         Set<String> armorConfigSet = armorSection.getKeys(false);
         Iterator<String> iterator = armorConfigSet.iterator();
 

src/main/java/com/gmail/nossr50/config/mods/CustomBlocksConfig.java

@@ -48,6 +48,10 @@ public class CustomBlocksConfig extends ConfigLoader {
 
     private void loadBlocks(String skillType, List<ItemStack> blockList) {
         ConfigurationSection skillSection = config.getConfigurationSection(skillType);
+
+        if(skillSection == null)
+            return;
+
         Set<String> skillConfigSet = skillSection.getKeys(false);
         Iterator<String> iterator = skillConfigSet.iterator();
 

src/main/java/com/gmail/nossr50/config/mods/CustomToolsConfig.java

@@ -53,6 +53,10 @@ public class CustomToolsConfig extends ConfigLoader {
 
     private void loadTool(String toolType, List<Integer> idList) {
         ConfigurationSection toolSection = config.getConfigurationSection(toolType);
+
+        if(toolSection == null)
+            return;
+
         Set<String> toolConfigSet = toolSection.getKeys(false);
         Iterator<String> iterator = toolConfigSet.iterator();