htmlspecialchars() errors

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i made form which user can send pictures to our e-mail.
i test it with pictures(10kb~10mb),but the server always sends warning like this:

Warning: htmlspecialchars() expects parameter 1 to be string, array given in /virtual/eztane/public_html/(my website domain)/concrete/core/helpers/text.php on line 168

Warning: htmlspecialchars() expects parameter 1 to be string, array given in /virtual/eztane/public_html/(my website domain)/concrete/core/helpers/text.php on line 168

Warning: Cannot modify header information - headers already sent by (output started at /virtual/eztane/public_html/(my website domain)/concrete/core/helpers/text.php:168) in /virtual/eztane/public_html/(my website domain)/packages/formidable/tools/formidable.php on line 45

Warning: htmlspecialchars() expects parameter 1 to be string, array given in /virtual/eztane/public_html/(my website domain)/concrete/core/helpers/text.php on line 168

Warning: htmlspecialchars() expects parameter 1 to be string, array given in /virtual/eztane/public_html/(my website domain)/concrete/core/helpers/text.php on line 168

and no email attachment(even checked option),and 0kb file in filemanager made.

how can i fix it? or i do something wrong?

Type: Pre-Sale
Status: In Progress
gloco17
View Replies:
gloco17 replied on at Permalink Reply 1 Attachment
gloco17
i found sent files in files/tmp/formidable.
but,they dont shown in the formidable result page.

i also found 0kb file in uploading page at beginning.here is image.
gloco17 replied on at Permalink Reply
gloco17
i think formidable cant upload files to filemanager.
i check filemanager but no file from formidable found.
gloco17 replied on at Permalink Reply
gloco17
i found same issue in this support

form.https://www.concrete5.org/marketplace/addons/formidable/support/file-uploads-not-attached-to-recipients-email/
reading english is hard to me so, sorry for making useless thread.

i check last of the thread,and i did it but it doesnt work.
attachment doesnt show up even filemanager.

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