new_contents: # SCAR - Serverless Container-aware ARchitectures
  # Copyright (C) GRyCAP - I3M - UPV
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  # http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  class ScarError(Exception):
      """
      The base exception class for ScarError exceptions.
  
      :ivar msg: The descriptive message associated with the error.
      """
      fmt = 'An unspecified error occurred'
  
      def __init__(self, **kwargs):
          msg = self.fmt.format(**kwargs)
          Exception.__init__(self, msg)
          self.kwargs = kwargs
  
  class FunctionCreationError(ScarError):
      """
      An error occurred when creating the lambda function.
  
      :ivar name: Name of the function
      """
      fmt = "Unable to create the function '{function_name}' : {error_msg}"        
  
  class FunctionNotFoundError(ScarError):
      """
      The requested function does not exist.
  
      :ivar name: Name of the function
      """
      fmt = "Unable to find the function '{function_name}' : {error_msg}"
      
      
subject: Add missing file