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    if( !defined( $err ) && ( !scalar( @_ ) || defined( $class ) ) )
    {
        # $error is a previous erro robject
        my $error = ref( $self ) ? $self->{error} : length( ${ $pack . '::ERROR' } ) ? ${ $pack . '::ERROR' } : undef;
        if( !defined( $error ) )
        {
            warn( "No error object provided and no previous error set either! It seems the previous method call returned a simple undef" );
        }
        else
        {
            $err = ( defined( $class ) ? bless( $error => $class ) : $error );
            $err->code( $code ) if( defined( $code ) );
        }
    }
    elsif( defined( $err ) && 
           Scalar::Util::blessed( $err ) && 
           ( scalar( @_ ) == 1 || 
             ( scalar( @_ ) == 2 && defined( $class ) ) 
           ) )
    {
        $self->{error} = ${ $pack . '::ERROR' } = ( defined( $class ) ? bless( $err => $class ) : $err );
        $self->{error}->code( $code ) if( defined( $code ) && $self->{error}->can( 'code' ) );
        
        if( $self->{fatal} || ( defined( ${"${class}\::FATAL_EXCEPTIONS"} ) && ${"${class}\::FATAL_EXCEPTIONS"} ) )
        {
            die( $self->{error} );
        }
    }
    # If the error provided is not an object, we call error to create one
    else
    {