Sonarqube issue #7

[DuDiiC]

This class has 6 parents which is greater than 5 authorized.

scheduler/src/main/java/com/md/scheduler/users/registration/UserAlreadyExistAuthenticationException.java

Lines 5 to 10 in 699287c

	public class UserAlreadyExistAuthenticationException extends AuthenticationException {
	UserAlreadyExistAuthenticationException(final String msg) {
	super(msg);
	}
	}

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