ChronoForms6 don't send email submit

Hi!
Thanks for this fantastic product! For the moment I use the free version.
I created 4 forms (2 for any language it and en) 2 contacts forms and 2 registration forms.
When a submit the forms the emails arrive late, once yes and no, so they do not always arrive (they are in the test phase), but the problem is that the registration form does not arrive! never! why? I don't understand why?
Here the link:
http://www.mozartitaliaterni.org/en/masterclasses-uk/how-to-subcribe
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(as you can see also the file attachment does not work well, loading one file at a time overwrites it ..)
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Thanks for the support!

Hi gustococco,
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Please try to add a debugger action to the "submit" event of the form and post the debug results here, also you do not need 1 form for each language but one form only and use the "Locales" section to translate the form content.
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Best regards

Thanks for the reply! In Setup I active Debugger enabled...how can add a debugger action to the submit? please can you tell me how to do it?

Hi gustococco,
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if its enabled then it should apper after you send the form.
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Best regards

Hi! Thanks!
Yes! Now appears this:
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​

Array
(
    [5f1e41445249221b838211bd0ee78ced] => 25ed45a9dc861a92e4109bf6ae87f13b
    [09e894347668ea0b6ab8418a5fd50fd6] => e6337e5edab4db54586f96f8d76aaf5b
    [language] => en-GB
    [Itemid] => 560
    [option] => com_chronoforms6
    [lang] => en-GB
    [view] => form
)

Array
(
)

in
http://www.mozartitaliaterni.org/en/masterclasses-uk/how-to-subcribe
you can control.
You understand where the error is?