won't delivery form data after upgrade

I just upgraded my Jomla 3.6.2 to 3.6.4 and Visform to 3.7.10.

I have 3 forms in my site and one of them not worked. So I open it but everithing looks like okay. How can I determine what is the problem?

Now I open the second form to change text in result e-mail subject, save it, and this one also not working...
How can I find the problem?

I don't want to touch 3. form what is still working

Not working mean: I fill up all the fields, click Submit, and result is not the redirect URL but the same page with blank form fields. Inputted data not delivered.

Can you help me please?

Hi Gabor,

sorry for your problems.

What was your previous Visforms Version?

Have you cleared all caches (including your browser cache)?
Do you use Google Recaptcha with the forms?
How are the forms published (via menu item of type Visforms or as modules inside an article)

Please enable "System Debugging" in the global configuration.
Please set the "Error Reporting" to "Developer" in the system configuration.
Are there any Error messages on the form page, if you try to submit one of the forms that are not working?

Regards,
Aicha

Dear Aicha,

This is totally my fault, sorry about that. Caching was enabled and not purged...
I totally like a newbi

But, in this version, attachments has a problem. I get error message: "File XYZ has invalid name. Name must only contain alphanumeric characters and no spaces." and it is not good, because users uses spaces and not English characters like éáűúőóüöí.

Can we fix this somehow?

Hi Gabor,

File Upload in Visforms is managed using the Joomla! core functions for file uploads. It is these Joomla! functions that do not allow to upload a file that has a blank in the name. New in Visforms is, that it will give you a proper message about the problem, but uploading files with blank in name, does not work because of Joomla!

But you can use the language manager on your website and modifiy the text of the message, so that it is maybe better for your customers. Instead of the blank in the file name, a user should use a minus - or and underscore _.

Regards,
Aicha

Okay, understand.

Some times ago the file upload was simple: no matter what character or space in filename... that was Visform? If yes, wich version?
I would like to get back this feature....

Hi Gabor,

it is not that simple. And I think that going back in the Visforms Version will not help. It was at least not only Visforms...

Visforms and the media manager in the Joomla! administration should have the same behavior. So could you please test with a file that is "blocked" by Visforms upload, if you can upload this file with the Joomla! media manager (Administration->Content->Media). If you can upload the file there but uploading it with Visforms fails, than could you please mail me that file to contact@vi-solutions.de, for testing?

Regards,
Aicha