Can't locate object method "_any_method_I_call" via package

##</code><code>##

My::Module
My::Module::Foo
My::Module::Bar
My::Module::Baz

##</code><code>##

package My::Module;
use warnings;
use strict;

  .  .  .  

use My::Module::Foo qw( :all );
use My::Module::Bar qw( :all );
use My::Module::Baz qw( :all );

##</code><code>##

package My::Module::Foo;

use strict;
use warnings;
use Exporter;
our @EXPORT = qw( this_method that_method );
our %EXPORT_TAGS = ( all => [qw( this_method that_method )] );

##</code><code>##

My::Module::Foo::this_method($self,@args);

##</code><code>##

- use Exporter;
+ use Exporter qw( import );