old_contents: """Specific PyGrid exceptions."""
  
  
  class PyGridError(Exception):
      def __init__(self, message):
          super().__init__(message)
  
  
  class AuthorizationError(PyGridError):
      def __init__(self, message=""):
          if not message:
              message = "User is not authorized for this operation!"
          super().__init__(message)
  
  
  class RoleNotFoundError(PyGridError):
      def __init__(self):
          message = "Role ID not found!"
          super().__init__(message)
  
  
  class UserNotFoundError(PyGridError):
      def __init__(self):
          message = "User not found!"
          super().__init__(message)
  
  
  class GroupNotFoundError(PyGridError):
      def __init__(self):
          message = "Group ID not found!"
          super().__init__(message)
  
  
  class InvalidRequestKeyError(PyGridError):
      def __init__(self):
          message = "Invalid request key!"
          super().__init__(message)
  
  
  class InvalidCredentialsError(PyGridError):
      def __init__(self):
          message = "Invalid credentials!"
          super().__init__(message)
  
  
  class MissingRequestKeyError(PyGridError):
      def __init__(self, message=""):
          if not message:
              message = "Missing request key!"
          super().__init__(message)
  
new_contents: """Specific PyGrid exceptions."""
  
  
  class PyGridError(Exception):
      def __init__(self, message):
          super().__init__(message)
  
  
  class AuthorizationError(PyGridError):
      def __init__(self, message=""):
          if not message:
              message = "User is not authorized for this operation!"
          super().__init__(message)
  
  
  class RoleNotFoundError(PyGridError):
      def __init__(self):
          message = "Role ID not found!"
          super().__init__(message)
  
  
  class UserNotFoundError(PyGridError):
      def __init__(self):
          message = "User not found!"
          super().__init__(message)
  
  
  class EnvironmentNotFoundError(PyGridError):
      def __init__(self):
          message = "Environment not found!"
          super().__init__(message)
  
  
  class GroupNotFoundError(PyGridError):
      def __init__(self):
          message = "Group ID not found!"
          super().__init__(message)
  
  
  class InvalidRequestKeyError(PyGridError):
      def __init__(self):
          message = "Invalid request key!"
          super().__init__(message)
  
  
  class InvalidCredentialsError(PyGridError):
      def __init__(self):
          message = "Invalid credentials!"
          super().__init__(message)
  
  
  class MissingRequestKeyError(PyGridError):
      def __init__(self, message=""):
          if not message:
              message = "Missing request key!"
          super().__init__(message)
  
subject: ADD new exception -> EnvironmentNotFound!