Program: 169678
Project: 169678
Buggy source:
/** 
 * Builds the module from the item stack
 * @param stack - item stack that is a module containing the NBT string idto use to construct the module
 * @return the module or null if something went wrong
 */
public AbstractModule build(ItemStack stack){
  if (stack.getTagCompound() != null && stack.getTagCompound().hasKey(SAVE_ID)) {
    String id=stack.getTagCompound().getString(SAVE_ID);
    if (idToCLassMap.containsKey(id)) {
      if (idToCLassMap.get(id) != null) {
        try {
          return idToCLassMap.get(id).getConstructor(ItemStack.class).newInstance(stack);
        }
 catch (        InstantiationException e) {
          ICBM.LOGGER.error("String_Node_Str" + idToCLassMap.get(id));
          if (ResonantEngine.runningAsDev)           e.printStackTrace();
        }
catch (        IllegalAccessException e) {
          ICBM.LOGGER.error("String_Node_Str" + idToCLassMap.get(id));
          if (ResonantEngine.runningAsDev)           e.printStackTrace();
        }
catch (        NoSuchMethodException e) {
          ICBM.LOGGER.error("String_Node_Str" + idToCLassMap.get(id));
          if (ResonantEngine.runningAsDev)           e.printStackTrace();
        }
catch (        InvocationTargetException e) {
          ICBM.LOGGER.error("String_Node_Str" + idToCLassMap.get(id));
          if (ResonantEngine.runningAsDev)           e.printStackTrace();
        }
      }
 else {
        ICBM.LOGGER.error("String_Node_Str" + id + "String_Node_Str");
      }
    }
  }
 else {
    ICBM.LOGGER.error("String_Node_Str" + (stack.getTagCompound() == null ? "String_Node_Str" : "String_Node_Str") + "String_Node_Str"+ stack);
  }
  return null;
}

Fixed version (ground truth):
/** 
 * Builds the module from the item stack
 * @param stack - item stack that is a module containing the NBT string idto use to construct the module
 * @return the module or null if something went wrong
 */
public AbstractModule build(ItemStack stack){
  if (stack.getTagCompound() != null && stack.getTagCompound().hasKey(SAVE_ID)) {
    String id=stack.getTagCompound().getString(SAVE_ID);
    if (idToCLassMap.containsKey(id)) {
      if (idToCLassMap.get(id) != null) {
        try {
          return idToCLassMap.get(id).getConstructor(ItemStack.class).newInstance(stack).load();
        }
 catch (        InstantiationException e) {
          ICBM.LOGGER.error("String_Node_Str" + idToCLassMap.get(id));
          if (ResonantEngine.runningAsDev)           e.printStackTrace();
        }
catch (        IllegalAccessException e) {
          ICBM.LOGGER.error("String_Node_Str" + idToCLassMap.get(id));
          if (ResonantEngine.runningAsDev)           e.printStackTrace();
        }
catch (        NoSuchMethodException e) {
          ICBM.LOGGER.error("String_Node_Str" + idToCLassMap.get(id));
          if (ResonantEngine.runningAsDev)           e.printStackTrace();
        }
catch (        InvocationTargetException e) {
          ICBM.LOGGER.error("String_Node_Str" + idToCLassMap.get(id));
          if (ResonantEngine.runningAsDev)           e.printStackTrace();
        }
      }
 else {
        ICBM.LOGGER.error("String_Node_Str" + id + "String_Node_Str");
      }
    }
  }
 else {
    ICBM.LOGGER.error("String_Node_Str" + (stack.getTagCompound() == null ? "String_Node_Str" : "String_Node_Str") + "String_Node_Str"+ stack);
  }
  return null;
}