docs: def __replaceSpecialValues(self, decisions):
  		"""
  		Will replace special values in decisions array.
  
  		Args:
  			decisions (array of array of str): Standard decision array format.
  		Raises:
  			ValueError: Row element don't have parent value.
  
  		Returns:
  			New decision array with updated values.
  		"""
  		error = []
  		for row, line in enumerate(decisions):
  			if '.' in line:
  				for i, element in enumerate(line):
  					if row == 0:
  						error.append(
  							"Row: {}colume: {}==> don't have parent value".format(str(row).ljust(4), str(i).ljust(4)))
  					if element == self.__parentSymbol:
  						if decisions[row - 1][i] == '.':
  							error.append("Row: {}Colume: {}==> don't have parent value".format(str(row).ljust(4),
  							                                                                   str(i).ljust(4)))
  
  						decisions[row][i] = decisions[row - 1][i]
  
  		if error:
  			view.Tli.showErrors('ReplaceSpecialValuesError', error)
  		else:
  			return decisions